28355207811

素因数分解:

$3^1\times 7^1\times {\mathrm{12161}}^1\times {\mathrm{111031}}^1$

素因数の和:123202

約数の個数: 16

約数和(自身を含む): 43211877888

約数和(自身を除く): 14856670077

約数列:

[1, 3, 7, 21, 12161, 36483, 85127, 111031, 255381, 333093, 777217, 2331651, 1350247991, 4050743973, 9451735937, 28355207811]

約数ペア:

[(1, 28355207811), (3, 9451735937), (7, 4050743973), (21, 1350247991), (12161, 2331651), (36483, 777217), (85127, 333093), (111031, 255381)]