1620984969

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1861}}^1\times {\mathrm{5693}}^1$

素因数の和:7577

約数の個数: 24

約数和(自身を含む): 2480921352

約数和(自身を除く): 859936383

約数列:

[1, 3, 9, 17, 51, 153, 1861, 5583, 5693, 16749, 17079, 31637, 51237, 94911, 96781, 284733, 290343, 871029, 10594673, 31784019, 95352057, 180109441, 540328323, 1620984969]

約数ペア:

[(1, 1620984969), (3, 540328323), (9, 180109441), (17, 95352057), (51, 31784019), (153, 10594673), (1861, 871029), (5583, 290343), (5693, 284733), (16749, 96781), (17079, 94911), (31637, 51237)]