18158985

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3449}}^1$

素因数の和:3479

約数の個数: 40

約数和(自身を含む): 35065800

約数和(自身を除く): 16906815

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 3449, 5265, 10347, 17245, 31041, 44837, 51735, 93123, 134511, 155205, 224185, 279369, 403533, 465615, 672555, 1210599, 1396845, 2017665, 3631797, 6052995, 18158985]

約数ペア:

[(1, 18158985), (3, 6052995), (5, 3631797), (9, 2017665), (13, 1396845), (15, 1210599), (27, 672555), (39, 465615), (45, 403533), (65, 279369), (81, 224185), (117, 155205), (135, 134511), (195, 93123), (351, 51735), (405, 44837), (585, 31041), (1053, 17245), (1755, 10347), (3449, 5265)]