28520817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9257}}^1$

素因数の和:9352

約数の個数: 16

約数和(自身を含む): 41475840

約数和(自身を除く): 12955023

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 9257, 27771, 120341, 361023, 731303, 2193909, 9506939, 28520817]

約数ペア:

[(1, 28520817), (3, 9506939), (13, 2193909), (39, 731303), (79, 361023), (237, 120341), (1027, 27771), (3081, 9257)]