8021739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 12579840

約数和(自身を除く): 4558101

約数列:

[1, 3, 11, 17, 33, 51, 79, 181, 187, 237, 543, 561, 869, 1343, 1991, 2607, 3077, 4029, 5973, 9231, 14299, 14773, 33847, 42897, 44319, 101541, 157289, 243083, 471867, 729249, 2673913, 8021739]

約数ペア:

[(1, 8021739), (3, 2673913), (11, 729249), (17, 471867), (33, 243083), (51, 157289), (79, 101541), (181, 44319), (187, 42897), (237, 33847), (543, 14773), (561, 14299), (869, 9231), (1343, 5973), (1991, 4029), (2607, 3077)]