28783281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2657}}^1$

素因数の和:2840

約数の個数: 16

約数和(自身を含む): 40316544

約数和(自身を除く): 11533263

約数列:

[1, 3, 23, 69, 157, 471, 2657, 3611, 7971, 10833, 61111, 183333, 417149, 1251447, 9594427, 28783281]

約数ペア:

[(1, 28783281), (3, 9594427), (23, 1251447), (69, 417149), (157, 183333), (471, 61111), (2657, 10833), (3611, 7971)]