641225997

素因数分解:

$3^3\times {\mathrm{1619}}^1\times {\mathrm{14669}}^1$

素因数の和:16297

約数の個数: 16

約数和(自身を含む): 950616000

約数和(自身を除く): 309390003

約数列:

[1, 3, 9, 27, 1619, 4857, 14571, 14669, 43713, 44007, 132021, 396063, 23749111, 71247333, 213741999, 641225997]

約数ペア:

[(1, 641225997), (3, 213741999), (9, 71247333), (27, 23749111), (1619, 396063), (4857, 132021), (14571, 44007), (14669, 43713)]