31821185

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 42373800

約数和(自身を除く): 10552615

約数列:

[1, 5, 11, 55, 121, 149, 353, 605, 745, 1639, 1765, 3883, 8195, 18029, 19415, 42713, 52597, 90145, 213565, 262985, 578567, 2892835, 6364237, 31821185]

約数ペア:

[(1, 31821185), (5, 6364237), (11, 2892835), (55, 578567), (121, 262985), (149, 213565), (353, 90145), (605, 52597), (745, 42713), (1639, 19415), (1765, 18029), (3883, 8195)]