28743705

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3529}}^1$

素因数の和:3721

約数の個数: 24

約数和(自身を含む): 50111880

約数和(自身を除く): 21368175

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2715, 3529, 8145, 10587, 17645, 31761, 52935, 158805, 638749, 1916247, 3193745, 5748741, 9581235, 28743705]

約数ペア:

[(1, 28743705), (3, 9581235), (5, 5748741), (9, 3193745), (15, 1916247), (45, 638749), (181, 158805), (543, 52935), (905, 31761), (1629, 17645), (2715, 10587), (3529, 8145)]