28372665

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26641}}^1$

素因数の和:26720

約数の個数: 16

約数和(自身を含む): 46037376

約数和(自身を除く): 17664711

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26641, 79923, 133205, 399615, 1891511, 5674533, 9457555, 28372665]

約数ペア:

[(1, 28372665), (3, 9457555), (5, 5674533), (15, 1891511), (71, 399615), (213, 133205), (355, 79923), (1065, 26641)]