161572143

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 234316800

約数和(自身を除く): 72744657

約数列:

[1, 3, 19, 53, 57, 79, 159, 237, 677, 1007, 1501, 2031, 3021, 4187, 4503, 12561, 12863, 35881, 38589, 53483, 79553, 107643, 160449, 238659, 681739, 1016177, 2045217, 2834599, 3048531, 8503797, 53857381, 161572143]

約数ペア:

[(1, 161572143), (3, 53857381), (19, 8503797), (53, 3048531), (57, 2834599), (79, 2045217), (159, 1016177), (237, 681739), (677, 238659), (1007, 160449), (1501, 107643), (2031, 79553), (3021, 53483), (4187, 38589), (4503, 35881), (12561, 12863)]