28291029

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13687}}^1$

素因数の和:13756

約数の個数: 16

約数和(自身を含む): 41392512

約数和(自身を除く): 13101483

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 13687, 41061, 177931, 533793, 725411, 2176233, 9430343, 28291029]

約数ペア:

[(1, 28291029), (3, 9430343), (13, 2176233), (39, 725411), (53, 533793), (159, 177931), (689, 41061), (2067, 13687)]