220112571

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1409}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 345438720

約数和(自身を除く): 125326149

約数列:

[1, 3, 7, 21, 43, 129, 173, 301, 519, 903, 1211, 1409, 3633, 4227, 7439, 9863, 22317, 29589, 52073, 60587, 156219, 181761, 243757, 424109, 731271, 1272327, 1706299, 5118897, 10481551, 31444653, 73370857, 220112571]

約数ペア:

[(1, 220112571), (3, 73370857), (7, 31444653), (21, 10481551), (43, 5118897), (129, 1706299), (173, 1272327), (301, 731271), (519, 424109), (903, 243757), (1211, 181761), (1409, 156219), (3633, 60587), (4227, 52073), (7439, 29589), (9863, 22317)]