191640189

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1\times {\mathrm{2473}}^1$

素因数の和:4476

約数の個数: 16

約数和(自身を含む): 275425472

約数和(自身を除く): 83785283

約数列:

[1, 3, 13, 39, 1987, 2473, 5961, 7419, 25831, 32149, 77493, 96447, 4913851, 14741553, 63880063, 191640189]

約数ペア:

[(1, 191640189), (3, 63880063), (13, 14741553), (39, 4913851), (1987, 96447), (2473, 77493), (5961, 32149), (7419, 25831)]