71784921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{49747}}^1$

素因数の和:49800

約数の個数: 16

約数和(自身を含む): 105863744

約数和(自身を除く): 34078823

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 49747, 149241, 646711, 1840639, 1940133, 5521917, 23928307, 71784921]

約数ペア:

[(1, 71784921), (3, 23928307), (13, 5521917), (37, 1940133), (39, 1840639), (111, 646711), (481, 149241), (1443, 49747)]