1279071729

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{19913}}^1$

素因数の和:19999

約数の個数: 40

約数和(自身を含む): 2091527592

約数和(自身を除く): 812455863

約数列:

[1, 3, 9, 13, 27, 39, 61, 81, 117, 183, 351, 549, 793, 1053, 1647, 2379, 4941, 7137, 19913, 21411, 59739, 64233, 179217, 258869, 537651, 776607, 1214693, 1612953, 2329821, 3644079, 6989463, 10932237, 15791009, 20968389, 32796711, 47373027, 98390133, 142119081, 426357243, 1279071729]

約数ペア:

[(1, 1279071729), (3, 426357243), (9, 142119081), (13, 98390133), (27, 47373027), (39, 32796711), (61, 20968389), (81, 15791009), (117, 10932237), (183, 6989463), (351, 3644079), (549, 2329821), (793, 1612953), (1053, 1214693), (1647, 776607), (2379, 537651), (4941, 258869), (7137, 179217), (19913, 64233), (21411, 59739)]