1815385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2568

約数の個数: 16

約数和(自身を含む): 2560320

約数和(自身を除く): 744935

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 2539, 12695, 27929, 33007, 139645, 165035, 363077, 1815385]

約数ペア:

[(1, 1815385), (5, 363077), (11, 165035), (13, 139645), (55, 33007), (65, 27929), (143, 12695), (715, 2539)]