31860117

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 47238048

約数和(自身を除く): 15377931

約数列:

[1, 3, 9, 61, 131, 183, 393, 443, 549, 1179, 1329, 3987, 7991, 23973, 27023, 58033, 71919, 81069, 174099, 243207, 522297, 3540013, 10620039, 31860117]

約数ペア:

[(1, 31860117), (3, 10620039), (9, 3540013), (61, 522297), (131, 243207), (183, 174099), (393, 81069), (443, 71919), (549, 58033), (1179, 27023), (1329, 23973), (3987, 7991)]