68107815

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21317}}^1$

素因数の和:21399

約数の個数: 24

約数和(自身を含む): 119721888

約数和(自身を除く): 51614073

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 21317, 63951, 106585, 191853, 319755, 959265, 1513507, 4540521, 7567535, 13621563, 22702605, 68107815]

約数ペア:

[(1, 68107815), (3, 22702605), (5, 13621563), (9, 7567535), (15, 4540521), (45, 1513507), (71, 959265), (213, 319755), (355, 191853), (639, 106585), (1065, 63951), (3195, 21317)]