28744209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1627}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 45036992

約数和(自身を除く): 16292783

約数列:

[1, 3, 9, 13, 39, 117, 151, 453, 1359, 1627, 1963, 4881, 5889, 14643, 17667, 21151, 63453, 190359, 245677, 737031, 2211093, 3193801, 9581403, 28744209]

約数ペア:

[(1, 28744209), (3, 9581403), (9, 3193801), (13, 2211093), (39, 737031), (117, 245677), (151, 190359), (453, 63453), (1359, 21151), (1627, 17667), (1963, 14643), (4881, 5889)]