31681449

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{4951}}^1$

素因数の和:5042

約数の個数: 20

約数和(自身を含む): 47935360

約数和(自身を除く): 16253911

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 4951, 6399, 14853, 44559, 133677, 391129, 401031, 1173387, 3520161, 10560483, 31681449]

約数ペア:

[(1, 31681449), (3, 10560483), (9, 3520161), (27, 1173387), (79, 401031), (81, 391129), (237, 133677), (711, 44559), (2133, 14853), (4951, 6399)]