259296723

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 442091520

約数和(自身を除く): 182794797

約数列:

[1, 3, 7, 9, 21, 53, 63, 79, 159, 237, 371, 477, 553, 711, 983, 1113, 1659, 2949, 3339, 4187, 4977, 6881, 8847, 12561, 20643, 29309, 37683, 52099, 61929, 77657, 87927, 156297, 232971, 263781, 364693, 468891, 543599, 698913, 1094079, 1630797, 3282237, 4115821, 4892391, 12347463, 28810747, 37042389, 86432241, 259296723]

約数ペア:

[(1, 259296723), (3, 86432241), (7, 37042389), (9, 28810747), (21, 12347463), (53, 4892391), (63, 4115821), (79, 3282237), (159, 1630797), (237, 1094079), (371, 698913), (477, 543599), (553, 468891), (711, 364693), (983, 263781), (1113, 232971), (1659, 156297), (2949, 87927), (3339, 77657), (4187, 61929), (4977, 52099), (6881, 37683), (8847, 29309), (12561, 20643)]