7872417

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 13916160

約数和(自身を除く): 6043743

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 1811, 4347, 5433, 12677, 16299, 38031, 41653, 48897, 114093, 124959, 291571, 342279, 374877, 874713, 1124631, 2624139, 7872417]

約数ペア:

[(1, 7872417), (3, 2624139), (7, 1124631), (9, 874713), (21, 374877), (23, 342279), (27, 291571), (63, 124959), (69, 114093), (161, 48897), (189, 41653), (207, 38031), (483, 16299), (621, 12677), (1449, 5433), (1811, 4347)]