15921871

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 18627840

約数和(自身を除く): 2705969

約数列:

[1, 7, 97, 131, 179, 679, 917, 1253, 12707, 17363, 23449, 88949, 121541, 164143, 2274553, 15921871]

約数ペア:

[(1, 15921871), (7, 2274553), (97, 164143), (131, 121541), (179, 88949), (679, 23449), (917, 17363), (1253, 12707)]