157021257

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{2803}}^1$

素因数の和:3140

約数の個数: 16

約数和(自身を含む): 213193728

約数和(自身を除く): 56172471

約数列:

[1, 3, 71, 213, 263, 789, 2803, 8409, 18673, 56019, 199013, 597039, 737189, 2211567, 52340419, 157021257]

約数ペア:

[(1, 157021257), (3, 52340419), (71, 2211567), (213, 737189), (263, 597039), (789, 199013), (2803, 56019), (8409, 18673)]