81697617

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{661}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 122274048

約数和(自身を除く): 40576431

約数列:

[1, 3, 9, 31, 93, 279, 443, 661, 1329, 1983, 3987, 5949, 13733, 20491, 41199, 61473, 123597, 184419, 292823, 878469, 2635407, 9077513, 27232539, 81697617]

約数ペア:

[(1, 81697617), (3, 27232539), (9, 9077513), (31, 2635407), (93, 878469), (279, 292823), (443, 184419), (661, 123597), (1329, 61473), (1983, 41199), (3987, 20491), (5949, 13733)]