13972569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 21552384

約数和(自身を除く): 7579815

約数列:

[1, 3, 13, 23, 37, 39, 69, 111, 299, 421, 481, 851, 897, 1263, 1443, 2553, 5473, 9683, 11063, 15577, 16419, 29049, 33189, 46731, 125879, 202501, 358271, 377637, 607503, 1074813, 4657523, 13972569]

約数ペア:

[(1, 13972569), (3, 4657523), (13, 1074813), (23, 607503), (37, 377637), (39, 358271), (69, 202501), (111, 125879), (299, 46731), (421, 33189), (481, 29049), (851, 16419), (897, 15577), (1263, 11063), (1443, 9683), (2553, 5473)]