28019199

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10723}}^1$

素因数の和:10806

約数の個数: 16

約数和(自身を含む): 40836992

約数和(自身を除く): 12817793

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 10723, 32169, 139399, 418197, 718441, 2155323, 9339733, 28019199]

約数ペア:

[(1, 28019199), (3, 9339733), (13, 2155323), (39, 718441), (67, 418197), (201, 139399), (871, 32169), (2613, 10723)]