81531105

素因数分解:

$3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{11161}}^1$

素因数の和:11656

約数の個数: 16

約数和(自身を含む): 130729344

約数和(自身を除く): 49198239

約数列:

[1, 3, 5, 15, 487, 1461, 2435, 7305, 11161, 33483, 55805, 167415, 5435407, 16306221, 27177035, 81531105]

約数ペア:

[(1, 81531105), (3, 27177035), (5, 16306221), (15, 5435407), (487, 167415), (1461, 55805), (2435, 33483), (7305, 11161)]