261865818

素因数分解:

$2^1\times 3^3\times {\mathrm{4849367}}^1$

素因数の和:4849378

約数の個数: 16

約数和(自身を含む): 581924160

約数和(自身を除く): 320058342

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 4849367, 9698734, 14548101, 29096202, 43644303, 87288606, 130932909, 261865818]

約数ペア:

[(1, 261865818), (2, 130932909), (3, 87288606), (6, 43644303), (9, 29096202), (18, 14548101), (27, 9698734), (54, 4849367)]