31528890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8147}}^1$

素因数の和:8203

約数の個数: 48

約数和(自身を含む): 83891808

約数和(自身を除く): 52362918

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 8147, 16294, 24441, 40735, 48882, 73323, 81470, 122205, 146646, 244410, 350321, 366615, 700642, 733230, 1050963, 1751605, 2101926, 3152889, 3503210, 5254815, 6305778, 10509630, 15764445, 31528890]

約数ペア:

[(1, 31528890), (2, 15764445), (3, 10509630), (5, 6305778), (6, 5254815), (9, 3503210), (10, 3152889), (15, 2101926), (18, 1751605), (30, 1050963), (43, 733230), (45, 700642), (86, 366615), (90, 350321), (129, 244410), (215, 146646), (258, 122205), (387, 81470), (430, 73323), (645, 48882), (774, 40735), (1290, 24441), (1935, 16294), (3870, 8147)]