27720885

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26029}}^1$

素因数の和:26108

約数の個数: 16

約数和(自身を含む): 44979840

約数和(自身を除く): 17258955

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26029, 78087, 130145, 390435, 1848059, 5544177, 9240295, 27720885]

約数ペア:

[(1, 27720885), (3, 9240295), (5, 5544177), (15, 1848059), (71, 390435), (213, 130145), (355, 78087), (1065, 26029)]