15256969

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{431}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 18869760

約数和(自身を除く): 3612791

約数列:

[1, 7, 13, 91, 389, 431, 2723, 3017, 5057, 5603, 35399, 39221, 167659, 1173613, 2179567, 15256969]

約数ペア:

[(1, 15256969), (7, 2179567), (13, 1173613), (91, 167659), (389, 39221), (431, 35399), (2723, 5603), (3017, 5057)]