13491207

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 20262528

約数和(自身を除く): 6771321

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 491, 639, 1473, 3053, 4419, 9159, 21113, 27477, 34861, 63339, 104583, 190017, 313749, 1499023, 4497069, 13491207]

約数ペア:

[(1, 13491207), (3, 4497069), (9, 1499023), (43, 313749), (71, 190017), (129, 104583), (213, 63339), (387, 34861), (491, 27477), (639, 21113), (1473, 9159), (3053, 4419)]