123280209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61981}}^1$

素因数の和:62017

約数の個数: 24

約数和(自身を含む): 203053032

約数和(自身を除く): 79772823

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 61981, 185943, 557829, 805753, 1053677, 2417259, 3161031, 7251777, 9483093, 13697801, 41093403, 123280209]

約数ペア:

[(1, 123280209), (3, 41093403), (9, 13697801), (13, 9483093), (17, 7251777), (39, 3161031), (51, 2417259), (117, 1053677), (153, 805753), (221, 557829), (663, 185943), (1989, 61981)]