71981403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 106659840

約数和(自身を除く): 34678437

約数列:

[1, 3, 13, 39, 61, 79, 183, 237, 383, 793, 1027, 1149, 2379, 3081, 4819, 4979, 14457, 14937, 23363, 30257, 62647, 70089, 90771, 187941, 303719, 393341, 911157, 1180023, 1845677, 5537031, 23993801, 71981403]

約数ペア:

[(1, 71981403), (3, 23993801), (13, 5537031), (39, 1845677), (61, 1180023), (79, 911157), (183, 393341), (237, 303719), (383, 187941), (793, 90771), (1027, 70089), (1149, 62647), (2379, 30257), (3081, 23363), (4819, 14937), (4979, 14457)]