30310371

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 58260384

約数和(自身を除く): 27950013

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 311, 357, 441, 637, 663, 819, 833, 933, 1071, 1547, 1911, 1989, 2177, 2499, 2799, 4043, 4641, 5287, 5733, 6531, 7497, 10829, 12129, 13923, 15239, 15861, 19593, 28301, 32487, 36387, 37009, 45717, 47583, 68731, 84903, 97461, 111027, 137151, 198107, 206193, 254709, 259063, 333081, 481117, 594321, 618579, 777189, 1443351, 1782963, 2331567, 3367819, 4330053, 10103457, 30310371]

約数ペア:

[(1, 30310371), (3, 10103457), (7, 4330053), (9, 3367819), (13, 2331567), (17, 1782963), (21, 1443351), (39, 777189), (49, 618579), (51, 594321), (63, 481117), (91, 333081), (117, 259063), (119, 254709), (147, 206193), (153, 198107), (221, 137151), (273, 111027), (311, 97461), (357, 84903), (441, 68731), (637, 47583), (663, 45717), (819, 37009), (833, 36387), (933, 32487), (1071, 28301), (1547, 19593), (1911, 15861), (1989, 15239), (2177, 13923), (2499, 12129), (2799, 10829), (4043, 7497), (4641, 6531), (5287, 5733)]