81271615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{8887}}^1$

素因数の和:8982

約数の個数: 16

約数和(自身を含む): 102389760

約数和(自身を除く): 21118145

約数列:

[1, 5, 31, 59, 155, 295, 1829, 8887, 9145, 44435, 275497, 524333, 1377485, 2621665, 16254323, 81271615]

約数ペア:

[(1, 81271615), (5, 16254323), (31, 2621665), (59, 1377485), (155, 524333), (295, 275497), (1829, 44435), (8887, 9145)]