81619290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{906881}}^1$

素因数の和:906894

約数の個数: 24

約数和(自身を含む): 212210388

約数和(自身を除く): 130591098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 906881, 1813762, 2720643, 4534405, 5441286, 8161929, 9068810, 13603215, 16323858, 27206430, 40809645, 81619290]

約数ペア:

[(1, 81619290), (2, 40809645), (3, 27206430), (5, 16323858), (6, 13603215), (9, 9068810), (10, 8161929), (15, 5441286), (18, 4534405), (30, 2720643), (45, 1813762), (90, 906881)]