728541

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{223}}^1$

素因数の和:254

約数の個数: 24

約数和(自身を含む): 1191680

約数和(自身を除く): 463139

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 223, 297, 363, 669, 1089, 2007, 2453, 3267, 6021, 7359, 22077, 26983, 66231, 80949, 242847, 728541]

約数ペア:

[(1, 728541), (3, 242847), (9, 80949), (11, 66231), (27, 26983), (33, 22077), (99, 7359), (121, 6021), (223, 3267), (297, 2453), (363, 2007), (669, 1089)]