138640209

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{12281}}^1$

素因数の和:12408

約数の個数: 16

約数和(自身を含む): 191009664

約数和(自身を除く): 52369455

約数列:

[1, 3, 53, 71, 159, 213, 3763, 11289, 12281, 36843, 650893, 871951, 1952679, 2615853, 46213403, 138640209]

約数ペア:

[(1, 138640209), (3, 46213403), (53, 2615853), (71, 1952679), (159, 871951), (213, 650893), (3763, 36843), (11289, 12281)]