918304857

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{50839}}^1$

素因数の和:51074

約数の個数: 20

約数和(自身を含む): 1377967360

約数和(自身を除く): 459662503

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 6021, 18063, 50839, 152517, 457551, 1372653, 4117959, 11337097, 34011291, 102033873, 306101619, 918304857]

約数ペア:

[(1, 918304857), (3, 306101619), (9, 102033873), (27, 34011291), (81, 11337097), (223, 4117959), (669, 1372653), (2007, 457551), (6021, 152517), (18063, 50839)]