81345690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{903841}}^1$

素因数の和:903854

約数の個数: 24

約数和(自身を含む): 211499028

約数和(自身を除く): 130153338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 903841, 1807682, 2711523, 4519205, 5423046, 8134569, 9038410, 13557615, 16269138, 27115230, 40672845, 81345690]

約数ペア:

[(1, 81345690), (2, 40672845), (3, 27115230), (5, 16269138), (6, 13557615), (9, 9038410), (10, 8134569), (15, 5423046), (18, 4519205), (30, 2711523), (45, 1807682), (90, 903841)]