2490687

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 3878784

約数和(自身を除く): 1388097

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 223, 657, 669, 1241, 2007, 3723, 3791, 11169, 11373, 16279, 34119, 48837, 146511, 276743, 830229, 2490687]

約数ペア:

[(1, 2490687), (3, 830229), (9, 276743), (17, 146511), (51, 48837), (73, 34119), (153, 16279), (219, 11373), (223, 11169), (657, 3791), (669, 3723), (1241, 2007)]