68315457

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{3119}}^1$

素因数の和:3285

約数の個数: 24

約数和(自身を含む): 106704000

約数和(自身を除く): 38388543

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 1043, 3119, 3129, 7301, 9357, 21833, 21903, 65499, 152831, 458493, 464731, 1394193, 3253117, 9759351, 22771819, 68315457]

約数ペア:

[(1, 68315457), (3, 22771819), (7, 9759351), (21, 3253117), (49, 1394193), (147, 464731), (149, 458493), (447, 152831), (1043, 65499), (3119, 21903), (3129, 21833), (7301, 9357)]