15921581

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 17875200

約数和(自身を除く): 1953619

約数列:

[1, 13, 37, 79, 419, 481, 1027, 2923, 5447, 15503, 33101, 37999, 201539, 430313, 1224737, 15921581]

約数ペア:

[(1, 15921581), (13, 1224737), (37, 430313), (79, 201539), (419, 37999), (481, 33101), (1027, 15503), (2923, 5447)]