81138189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 125199360

約数和(自身を除く): 44061171

約数列:

[1, 3, 11, 19, 33, 57, 151, 209, 453, 627, 857, 1661, 2571, 2869, 4983, 8607, 9427, 16283, 28281, 31559, 48849, 94677, 129407, 179113, 388221, 537339, 1423477, 2458733, 4270431, 7376199, 27046063, 81138189]

約数ペア:

[(1, 81138189), (3, 27046063), (11, 7376199), (19, 4270431), (33, 2458733), (57, 1423477), (151, 537339), (209, 388221), (453, 179113), (627, 129407), (857, 94677), (1661, 48849), (2571, 31559), (2869, 28281), (4983, 16283), (8607, 9427)]