28265721

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{77867}}^1$

素因数の和:77892

約数の個数: 12

約数和(自身を含む): 41425776

約数和(自身を除く): 13160055

約数列:

[1, 3, 11, 33, 121, 363, 77867, 233601, 856537, 2569611, 9421907, 28265721]

約数ペア:

[(1, 28265721), (3, 9421907), (11, 2569611), (33, 856537), (121, 233601), (363, 77867)]