15201027

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{2801}}^1$

素因数の和:2880

約数の個数: 20

約数和(自身を含む): 23054856

約数和(自身を除く): 7853829

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 2801, 5427, 8403, 25209, 75627, 187667, 226881, 563001, 1689003, 5067009, 15201027]

約数ペア:

[(1, 15201027), (3, 5067009), (9, 1689003), (27, 563001), (67, 226881), (81, 187667), (201, 75627), (603, 25209), (1809, 8403), (2801, 5427)]