28868955

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27107}}^1$

素因数の和:27186

約数の個数: 16

約数和(自身を含む): 46842624

約数和(自身を除く): 17973669

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 27107, 81321, 135535, 406605, 1924597, 5773791, 9622985, 28868955]

約数ペア:

[(1, 28868955), (3, 9622985), (5, 5773791), (15, 1924597), (71, 406605), (213, 135535), (355, 81321), (1065, 27107)]