28395759

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18523}}^1$

素因数の和:18606

約数の個数: 16

約数和(自身を含む): 43864832

約数和(自身を除く): 15469073

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 18523, 55569, 129661, 388983, 1352179, 4056537, 9465253, 28395759]

約数ペア:

[(1, 28395759), (3, 9465253), (7, 4056537), (21, 1352179), (73, 388983), (219, 129661), (511, 55569), (1533, 18523)]