42540771

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 72049824

約数和(自身を除く): 29509053

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 113, 147, 197, 273, 339, 591, 637, 791, 1379, 1469, 1911, 2373, 2561, 4137, 4407, 5537, 7683, 9653, 10283, 16611, 17927, 22261, 28959, 30849, 53781, 66783, 71981, 125489, 155827, 215943, 289393, 376467, 467481, 868179, 1090789, 2025751, 3272367, 6077253, 14180257, 42540771]

約数ペア:

[(1, 42540771), (3, 14180257), (7, 6077253), (13, 3272367), (21, 2025751), (39, 1090789), (49, 868179), (91, 467481), (113, 376467), (147, 289393), (197, 215943), (273, 155827), (339, 125489), (591, 71981), (637, 66783), (791, 53781), (1379, 30849), (1469, 28959), (1911, 22261), (2373, 17927), (2561, 16611), (4137, 10283), (4407, 9653), (5537, 7683)]