71121519

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{10357}}^1$

素因数の和:10479

約数の個数: 24

約数和(自身を含む): 118495520

約数和(自身を除く): 47374001

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 10357, 31071, 72499, 93213, 217497, 652491, 1128913, 3386739, 7902391, 10160217, 23707173, 71121519]

約数ペア:

[(1, 71121519), (3, 23707173), (7, 10160217), (9, 7902391), (21, 3386739), (63, 1128913), (109, 652491), (327, 217497), (763, 93213), (981, 72499), (2289, 31071), (6867, 10357)]