15551997

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 21373632

約数和(自身を除く): 5821635

約数列:

[1, 3, 41, 123, 227, 557, 681, 1671, 9307, 22837, 27921, 68511, 126439, 379317, 5183999, 15551997]

約数ペア:

[(1, 15551997), (3, 5183999), (41, 379317), (123, 126439), (227, 68511), (557, 27921), (681, 22837), (1671, 9307)]