31915701

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{1129}}^1$

素因数の和:1490

約数の個数: 20

約数和(自身を含む): 47855500

約数和(自身を除く): 15939799

約数列:

[1, 3, 9, 27, 81, 349, 1047, 1129, 3141, 3387, 9423, 10161, 28269, 30483, 91449, 394021, 1182063, 3546189, 10638567, 31915701]

約数ペア:

[(1, 31915701), (3, 10638567), (9, 3546189), (27, 1182063), (81, 394021), (349, 91449), (1047, 30483), (1129, 28269), (3141, 10161), (3387, 9423)]