72740871

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5861}}^1$

素因数の和:6071

約数の個数: 24

約数和(自身を含む): 120710304

約数和(自身を除く): 47969433

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 4137, 5861, 12411, 17583, 41027, 52749, 123081, 369243, 1154617, 3463851, 8082319, 10391553, 24246957, 72740871]

約数ペア:

[(1, 72740871), (3, 24246957), (7, 10391553), (9, 8082319), (21, 3463851), (63, 1154617), (197, 369243), (591, 123081), (1379, 52749), (1773, 41027), (4137, 17583), (5861, 12411)]