68982221

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3541}}^1$

素因数の和:3593

約数の個数: 24

約数和(自身を含む): 90448512

約数和(自身を除く): 21466291

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 2783, 3541, 19481, 24787, 38951, 81443, 272657, 428461, 570101, 895873, 2999227, 6271111, 9854603, 68982221]

約数ペア:

[(1, 68982221), (7, 9854603), (11, 6271111), (23, 2999227), (77, 895873), (121, 570101), (161, 428461), (253, 272657), (847, 81443), (1771, 38951), (2783, 24787), (3541, 19481)]