28303665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{839}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 49109760

約数和(自身を除く): 20806095

約数列:

[1, 3, 5, 13, 15, 39, 65, 173, 195, 519, 839, 865, 2249, 2517, 2595, 4195, 6747, 10907, 11245, 12585, 32721, 33735, 54535, 145147, 163605, 435441, 725735, 1886911, 2177205, 5660733, 9434555, 28303665]

約数ペア:

[(1, 28303665), (3, 9434555), (5, 5660733), (13, 2177205), (15, 1886911), (39, 725735), (65, 435441), (173, 163605), (195, 145147), (519, 54535), (839, 33735), (865, 32721), (2249, 12585), (2517, 11245), (2595, 10907), (4195, 6747)]