121555293

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 175042560

約数和(自身を除く): 53487267

約数列:

[1, 3, 19, 57, 73, 131, 219, 223, 393, 669, 1387, 2489, 4161, 4237, 7467, 9563, 12711, 16279, 28689, 29213, 48837, 87639, 181697, 309301, 545091, 555047, 927903, 1665141, 2132549, 6397647, 40518431, 121555293]

約数ペア:

[(1, 121555293), (3, 40518431), (19, 6397647), (57, 2132549), (73, 1665141), (131, 927903), (219, 555047), (223, 545091), (393, 309301), (669, 181697), (1387, 87639), (2489, 48837), (4161, 29213), (4237, 28689), (7467, 16279), (9563, 12711)]