251036377389

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21774341}}^1$

素因数の和:21774418

約数の個数: 32

約数和(自身を含む): 432002945280

約数和(自身を除く): 180966567891

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3843, 11529, 21774341, 65323023, 152420387, 195969069, 457261161, 587907207, 1328234801, 1371783483, 3984704403, 4115350449, 9297643607, 11954113209, 27892930821, 35862339627, 83678792463, 251036377389]

約数ペア:

[(1, 251036377389), (3, 83678792463), (7, 35862339627), (9, 27892930821), (21, 11954113209), (27, 9297643607), (61, 4115350449), (63, 3984704403), (183, 1371783483), (189, 1328234801), (427, 587907207), (549, 457261161), (1281, 195969069), (1647, 152420387), (3843, 65323023), (11529, 21774341)]