15289729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 18910080

約数和(自身を除く): 3620351

約数列:

[1, 7, 13, 91, 401, 419, 2807, 2933, 5213, 5447, 36491, 38129, 168019, 1176133, 2184247, 15289729]

約数ペア:

[(1, 15289729), (7, 2184247), (13, 1176133), (91, 168019), (401, 38129), (419, 36491), (2807, 5447), (2933, 5213)]