64251621

素因数分解:

$3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1831}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 106314624

約数和(自身を除く): 42063003

約数列:

[1, 3, 7, 9, 21, 63, 557, 1671, 1831, 3899, 5013, 5493, 11697, 12817, 16479, 35091, 38451, 115353, 1019867, 3059601, 7139069, 9178803, 21417207, 64251621]

約数ペア:

[(1, 64251621), (3, 21417207), (7, 9178803), (9, 7139069), (21, 3059601), (63, 1019867), (557, 115353), (1671, 38451), (1831, 35091), (3899, 16479), (5013, 12817), (5493, 11697)]