86871681

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3769}}^1$

素因数の和:3985

約数の個数: 24

約数和(自身を含む): 135855720

約数和(自身を除く): 48984039

約数列:

[1, 3, 9, 13, 39, 117, 197, 591, 1773, 2561, 3769, 7683, 11307, 23049, 33921, 48997, 146991, 440973, 742493, 2227479, 6682437, 9652409, 28957227, 86871681]

約数ペア:

[(1, 86871681), (3, 28957227), (9, 9652409), (13, 6682437), (39, 2227479), (117, 742493), (197, 440973), (591, 146991), (1773, 48997), (2561, 33921), (3769, 23049), (7683, 11307)]