127281321

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{28921}}^1$

素因数の和:29093

約数の個数: 16

約数和(自身を含む): 189728320

約数和(自身を除く): 62446999

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 28921, 86763, 260289, 780867, 4714123, 14142369, 42427107, 127281321]

約数ペア:

[(1, 127281321), (3, 42427107), (9, 14142369), (27, 4714123), (163, 780867), (489, 260289), (1467, 86763), (4401, 28921)]