15121899

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 23655632

約数和(自身を除く): 8533733

約数列:

[1, 3, 9, 13, 39, 117, 307, 421, 921, 1263, 2763, 3789, 3991, 5473, 11973, 16419, 35919, 49257, 129247, 387741, 1163223, 1680211, 5040633, 15121899]

約数ペア:

[(1, 15121899), (3, 5040633), (9, 1680211), (13, 1163223), (39, 387741), (117, 129247), (307, 49257), (421, 35919), (921, 16419), (1263, 11973), (2763, 5473), (3789, 3991)]