205555857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10691}}^1$

素因数の和:10753

約数の個数: 32

約数和(自身を含む): 323326080

約数和(自身を除く): 117770223

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 1131, 1479, 6409, 10691, 19227, 32073, 138983, 181747, 310039, 416949, 545241, 930117, 2362711, 4030507, 5270663, 7088133, 12091521, 15811989, 68518619, 205555857]

約数ペア:

[(1, 205555857), (3, 68518619), (13, 15811989), (17, 12091521), (29, 7088133), (39, 5270663), (51, 4030507), (87, 2362711), (221, 930117), (377, 545241), (493, 416949), (663, 310039), (1131, 181747), (1479, 138983), (6409, 32073), (10691, 19227)]