81430290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{904781}}^1$

素因数の和:904794

約数の個数: 24

約数和(自身を含む): 211718988

約数和(自身を除く): 130288698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 904781, 1809562, 2714343, 4523905, 5428686, 8143029, 9047810, 13571715, 16286058, 27143430, 40715145, 81430290]

約数ペア:

[(1, 81430290), (2, 40715145), (3, 27143430), (5, 16286058), (6, 13571715), (9, 9047810), (10, 8143029), (15, 5428686), (18, 4523905), (30, 2714343), (45, 1809562), (90, 904781)]