28255563

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1861}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 46862816

約数和(自身を除く): 18607253

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 1687, 1861, 2169, 5061, 5583, 13027, 15183, 16749, 39081, 117243, 448501, 1345503, 3139507, 4036509, 9418521, 28255563]

約数ペア:

[(1, 28255563), (3, 9418521), (7, 4036509), (9, 3139507), (21, 1345503), (63, 448501), (241, 117243), (723, 39081), (1687, 16749), (1861, 15183), (2169, 13027), (5061, 5583)]