331387189

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1\times {\mathrm{2161}}^1$

素因数の和:3340

約数の個数: 16

約数和(自身を含む): 399191680

約数和(自身を除く): 67804491

約数列:

[1, 7, 19, 133, 1153, 2161, 8071, 15127, 21907, 41059, 153349, 287413, 2491633, 17441431, 47341027, 331387189]

約数ペア:

[(1, 331387189), (7, 47341027), (19, 17441431), (133, 2491633), (1153, 287413), (2161, 153349), (8071, 41059), (15127, 21907)]