13509275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 18217584

約数和(自身を除く): 4708309

約数列:

[1, 5, 13, 25, 65, 197, 211, 325, 985, 1055, 2561, 2743, 4925, 5275, 12805, 13715, 41567, 64025, 68575, 207835, 540371, 1039175, 2701855, 13509275]

約数ペア:

[(1, 13509275), (5, 2701855), (13, 1039175), (25, 540371), (65, 207835), (197, 68575), (211, 64025), (325, 41567), (985, 13715), (1055, 12805), (2561, 5275), (2743, 4925)]