257020807689

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2371}}^1\times {\mathrm{3319}}^1$

素因数の和:5906

約数の個数: 48

約数和(自身を含む): 393121996800

約数和(自身を除く): 136101189111

約数列:

[1, 3, 9, 19, 57, 171, 191, 573, 1719, 2371, 3319, 3629, 7113, 9957, 10887, 21339, 29871, 32661, 45049, 63061, 135147, 189183, 405441, 452861, 567549, 633929, 1358583, 1901787, 4075749, 5705361, 7869349, 8604359, 12044651, 23608047, 25813077, 36133953, 70824141, 77439231, 108401859, 149517631, 448552893, 1345658679, 1503045659, 4509136977, 13527410931, 28557867521, 85673602563, 257020807689]

約数ペア:

[(1, 257020807689), (3, 85673602563), (9, 28557867521), (19, 13527410931), (57, 4509136977), (171, 1503045659), (191, 1345658679), (573, 448552893), (1719, 149517631), (2371, 108401859), (3319, 77439231), (3629, 70824141), (7113, 36133953), (9957, 25813077), (10887, 23608047), (21339, 12044651), (29871, 8604359), (32661, 7869349), (45049, 5705361), (63061, 4075749), (135147, 1901787), (189183, 1358583), (405441, 633929), (452861, 567549)]