28091679

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{121609}}^1$

素因数の和:121630

約数の個数: 16

約数和(自身を含む): 46698240

約数和(自身を除く): 18606561

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 121609, 364827, 851263, 1337699, 2553789, 4013097, 9363893, 28091679]

約数ペア:

[(1, 28091679), (3, 9363893), (7, 4013097), (11, 2553789), (21, 1337699), (33, 851263), (77, 364827), (231, 121609)]