890494281

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{4801}}^1$

素因数の和:5401

約数の個数: 24

約数和(自身を含む): 1323680904

約数和(自身を除く): 433186623

約数列:

[1, 3, 9, 37, 111, 333, 557, 1671, 4801, 5013, 14403, 20609, 43209, 61827, 177637, 185481, 532911, 1598733, 2674157, 8022471, 24067413, 98943809, 296831427, 890494281]

約数ペア:

[(1, 890494281), (3, 296831427), (9, 98943809), (37, 24067413), (111, 8022471), (333, 2674157), (557, 1598733), (1671, 532911), (4801, 185481), (5013, 177637), (14403, 61827), (20609, 43209)]