28753335

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2184

約数の個数: 48

約数和(自身を含む): 56032704

約数和(自身を除く): 27279369

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2137, 2691, 4485, 6411, 10685, 13455, 19233, 27781, 32055, 49151, 83343, 96165, 138905, 147453, 245755, 250029, 416715, 442359, 638963, 737265, 1250145, 1916889, 2211795, 3194815, 5750667, 9584445, 28753335]

約数ペア:

[(1, 28753335), (3, 9584445), (5, 5750667), (9, 3194815), (13, 2211795), (15, 1916889), (23, 1250145), (39, 737265), (45, 638963), (65, 442359), (69, 416715), (115, 250029), (117, 245755), (195, 147453), (207, 138905), (299, 96165), (345, 83343), (585, 49151), (897, 32055), (1035, 27781), (1495, 19233), (2137, 13455), (2691, 10685), (4485, 6411)]