1561178073

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 2879847936

約数和(自身を除く): 1318669863

約数列:

[1, 3, 7, 13, 19, 21, 31, 39, 49, 57, 73, 91, 93, 133, 147, 217, 219, 247, 273, 361, 399, 403, 511, 589, 637, 651, 741, 931, 949, 1083, 1209, 1387, 1519, 1533, 1729, 1767, 1911, 2263, 2527, 2793, 2821, 2847, 3577, 4123, 4161, 4557, 4693, 5187, 6643, 6789, 7581, 7657, 8463, 9709, 10731, 11191, 12103, 12369, 14079, 15841, 17689, 18031, 19747, 19929, 22971, 26353, 28861, 29127, 29419, 32851, 33573, 36309, 42997, 46501, 47523, 53067, 53599, 54093, 59241, 67963, 78337, 79059, 86583, 88257, 98553, 110887, 126217, 128991, 139503, 145483, 160797, 184471, 203889, 205933, 229957, 235011, 300979, 332661, 342589, 375193, 378651, 436449, 548359, 553413, 558961, 617799, 689871, 816943, 883519, 902937, 1018381, 1027767, 1125579, 1291297, 1441531, 1645077, 1676883, 2106853, 2398123, 2450829, 2650557, 3055143, 3873891, 3912727, 4324593, 5718601, 6320559, 7128667, 7194369, 10620259, 11738181, 16786861, 17155803, 21386001, 27389089, 31860777, 40030207, 50360583, 74341813, 82167267, 120090621, 223025439, 520392691, 1561178073]

約数ペア:

[(1, 1561178073), (3, 520392691), (7, 223025439), (13, 120090621), (19, 82167267), (21, 74341813), (31, 50360583), (39, 40030207), (49, 31860777), (57, 27389089), (73, 21386001), (91, 17155803), (93, 16786861), (133, 11738181), (147, 10620259), (217, 7194369), (219, 7128667), (247, 6320559), (273, 5718601), (361, 4324593), (399, 3912727), (403, 3873891), (511, 3055143), (589, 2650557), (637, 2450829), (651, 2398123), (741, 2106853), (931, 1676883), (949, 1645077), (1083, 1441531), (1209, 1291297), (1387, 1125579), (1519, 1027767), (1533, 1018381), (1729, 902937), (1767, 883519), (1911, 816943), (2263, 689871), (2527, 617799), (2793, 558961), (2821, 553413), (2847, 548359), (3577, 436449), (4123, 378651), (4161, 375193), (4557, 342589), (4693, 332661), (5187, 300979), (6643, 235011), (6789, 229957), (7581, 205933), (7657, 203889), (8463, 184471), (9709, 160797), (10731, 145483), (11191, 139503), (12103, 128991), (12369, 126217), (14079, 110887), (15841, 98553), (17689, 88257), (18031, 86583), (19747, 79059), (19929, 78337), (22971, 67963), (26353, 59241), (28861, 54093), (29127, 53599), (29419, 53067), (32851, 47523), (33573, 46501), (36309, 42997)]