31631769

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 50816640

約数和(自身を除く): 19184871

約数列:

[1, 3, 9, 13, 27, 39, 117, 227, 351, 397, 681, 1191, 2043, 2951, 3573, 5161, 6129, 8853, 10719, 15483, 26559, 46449, 79677, 90119, 139347, 270357, 811071, 1171547, 2433213, 3514641, 10543923, 31631769]

約数ペア:

[(1, 31631769), (3, 10543923), (9, 3514641), (13, 2433213), (27, 1171547), (39, 811071), (117, 270357), (227, 139347), (351, 90119), (397, 79677), (681, 46449), (1191, 26559), (2043, 15483), (2951, 10719), (3573, 8853), (5161, 6129)]