15620931

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{6221}}^1$

素因数の和:6264

約数の個数: 20

約数和(自身を含む): 24091584

約数和(自身を除く): 8470653

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 6221, 18663, 55989, 167967, 192851, 503901, 578553, 1735659, 5206977, 15620931]

約数ペア:

[(1, 15620931), (3, 5206977), (9, 1735659), (27, 578553), (31, 503901), (81, 192851), (93, 167967), (279, 55989), (837, 18663), (2511, 6221)]