12215181999

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1\times {\mathrm{1019}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 16956610560

約数和(自身を除く): 4741428561

約数列:

[1, 3, 31, 93, 157, 471, 821, 1019, 2463, 3057, 4867, 14601, 25451, 31589, 76353, 94767, 128897, 159983, 386691, 479949, 836599, 2509797, 3995807, 4959473, 11987421, 14878419, 25934569, 77803707, 131346043, 394038129, 4071727333, 12215181999]

約数ペア:

[(1, 12215181999), (3, 4071727333), (31, 394038129), (93, 131346043), (157, 77803707), (471, 25934569), (821, 14878419), (1019, 11987421), (2463, 4959473), (3057, 3995807), (4867, 2509797), (14601, 836599), (25451, 479949), (31589, 386691), (76353, 159983), (94767, 128897)]