61720659

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 131549184

約数和(自身を除く): 69828525

約数列:

[1, 3, 7, 9, 11, 13, 17, 21, 31, 33, 39, 51, 63, 77, 91, 93, 99, 117, 119, 143, 153, 169, 187, 217, 221, 231, 273, 279, 341, 357, 403, 429, 507, 527, 561, 651, 663, 693, 819, 1001, 1023, 1071, 1183, 1209, 1287, 1309, 1521, 1547, 1581, 1683, 1859, 1953, 1989, 2387, 2431, 2821, 2873, 3003, 3069, 3549, 3627, 3689, 3927, 4433, 4641, 4743, 5239, 5577, 5797, 6851, 7161, 7293, 8463, 8619, 9009, 10647, 11067, 11781, 13013, 13299, 13923, 15717, 16731, 17017, 17391, 20111, 20553, 21483, 21879, 25389, 25857, 31031, 31603, 33201, 36673, 39039, 39897, 40579, 47151, 47957, 51051, 52173, 57629, 60333, 61659, 75361, 89063, 93093, 94809, 110019, 117117, 121737, 143871, 153153, 172887, 180999, 221221, 226083, 267189, 279279, 284427, 330057, 365211, 403403, 431613, 518661, 527527, 623441, 663663, 678249, 801567, 979693, 1210209, 1582581, 1870323, 1990989, 2939079, 3630627, 4747743, 5610969, 6857851, 8817237, 20573553, 61720659]

約数ペア:

[(1, 61720659), (3, 20573553), (7, 8817237), (9, 6857851), (11, 5610969), (13, 4747743), (17, 3630627), (21, 2939079), (31, 1990989), (33, 1870323), (39, 1582581), (51, 1210209), (63, 979693), (77, 801567), (91, 678249), (93, 663663), (99, 623441), (117, 527527), (119, 518661), (143, 431613), (153, 403403), (169, 365211), (187, 330057), (217, 284427), (221, 279279), (231, 267189), (273, 226083), (279, 221221), (341, 180999), (357, 172887), (403, 153153), (429, 143871), (507, 121737), (527, 117117), (561, 110019), (651, 94809), (663, 93093), (693, 89063), (819, 75361), (1001, 61659), (1023, 60333), (1071, 57629), (1183, 52173), (1209, 51051), (1287, 47957), (1309, 47151), (1521, 40579), (1547, 39897), (1581, 39039), (1683, 36673), (1859, 33201), (1953, 31603), (1989, 31031), (2387, 25857), (2431, 25389), (2821, 21879), (2873, 21483), (3003, 20553), (3069, 20111), (3549, 17391), (3627, 17017), (3689, 16731), (3927, 15717), (4433, 13923), (4641, 13299), (4743, 13013), (5239, 11781), (5577, 11067), (5797, 10647), (6851, 9009), (7161, 8619), (7293, 8463)]