81291977

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4133}}^1$

素因数の和:4252

約数の個数: 16

約数和(自身を含む): 93759120

約数和(自身を除く): 12467143

約数列:

[1, 13, 17, 89, 221, 1157, 1513, 4133, 19669, 53729, 70261, 367837, 913393, 4781881, 6253229, 81291977]

約数ペア:

[(1, 81291977), (13, 6253229), (17, 4781881), (89, 913393), (221, 367837), (1157, 70261), (1513, 53729), (4133, 19669)]