9901890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 25903800

約数和(自身を除く): 16001910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 269, 409, 538, 807, 818, 1227, 1345, 1614, 2045, 2421, 2454, 2690, 3681, 4035, 4090, 4842, 6135, 7362, 8070, 12105, 12270, 18405, 24210, 36810, 110021, 220042, 330063, 550105, 660126, 990189, 1100210, 1650315, 1980378, 3300630, 4950945, 9901890]

約数ペア:

[(1, 9901890), (2, 4950945), (3, 3300630), (5, 1980378), (6, 1650315), (9, 1100210), (10, 990189), (15, 660126), (18, 550105), (30, 330063), (45, 220042), (90, 110021), (269, 36810), (409, 24210), (538, 18405), (807, 12270), (818, 12105), (1227, 8070), (1345, 7362), (1614, 6135), (2045, 4842), (2421, 4090), (2454, 4035), (2690, 3681)]