55815615

素因数分解:

$3^3\times 5^1\times {\mathrm{643}}^2$

素因数の和:1300

約数の個数: 24

約数和(自身を含む): 99382320

約数和(自身を除く): 43566705

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 643, 1929, 3215, 5787, 9645, 17361, 28935, 86805, 413449, 1240347, 2067245, 3721041, 6201735, 11163123, 18605205, 55815615]

約数ペア:

[(1, 55815615), (3, 18605205), (5, 11163123), (9, 6201735), (15, 3721041), (27, 2067245), (45, 1240347), (135, 413449), (643, 86805), (1929, 28935), (3215, 17361), (5787, 9645)]