81239871

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{2503}}^1$

素因数の和:2886

約数の個数: 16

約数和(自身を含む): 112179200

約数和(自身を除く): 30939329

約数列:

[1, 3, 31, 93, 349, 1047, 2503, 7509, 10819, 32457, 77593, 232779, 873547, 2620641, 27079957, 81239871]

約数ペア:

[(1, 81239871), (3, 27079957), (31, 2620641), (93, 873547), (349, 232779), (1047, 77593), (2503, 32457), (7509, 10819)]