646056027

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{1193}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 990351360

約数和(自身を除く): 344295333

約数列:

[1, 3, 9, 27, 31, 93, 279, 647, 837, 1193, 1941, 3579, 5823, 10737, 17469, 20057, 32211, 36983, 60171, 110949, 180513, 332847, 541539, 771871, 998541, 2315613, 6946839, 20840517, 23928001, 71784003, 215352009, 646056027]

約数ペア:

[(1, 646056027), (3, 215352009), (9, 71784003), (27, 23928001), (31, 20840517), (93, 6946839), (279, 2315613), (647, 998541), (837, 771871), (1193, 541539), (1941, 332847), (3579, 180513), (5823, 110949), (10737, 60171), (17469, 36983), (20057, 32211)]