12816621

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 19631040

約数和(自身を除く): 6814419

約数列:

[1, 3, 9, 19, 57, 171, 241, 311, 723, 933, 2169, 2799, 4579, 5909, 13737, 17727, 41211, 53181, 74951, 224853, 674559, 1424069, 4272207, 12816621]

約数ペア:

[(1, 12816621), (3, 4272207), (9, 1424069), (19, 674559), (57, 224853), (171, 74951), (241, 53181), (311, 41211), (723, 17727), (933, 13737), (2169, 5909), (2799, 4579)]