28402485

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26669}}^1$

素因数の和:26748

約数の個数: 16

約数和(自身を含む): 46085760

約数和(自身を除く): 17683275

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26669, 80007, 133345, 400035, 1893499, 5680497, 9467495, 28402485]

約数ペア:

[(1, 28402485), (3, 9467495), (5, 5680497), (15, 1893499), (71, 400035), (213, 133345), (355, 80007), (1065, 26669)]