2901855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 5195520

約数和(自身を除く): 2293665

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 409, 473, 645, 1227, 1419, 2045, 2365, 4499, 6135, 7095, 13497, 17587, 22495, 52761, 67485, 87935, 193457, 263805, 580371, 967285, 2901855]

約数ペア:

[(1, 2901855), (3, 967285), (5, 580371), (11, 263805), (15, 193457), (33, 87935), (43, 67485), (55, 52761), (129, 22495), (165, 17587), (215, 13497), (409, 7095), (473, 6135), (645, 4499), (1227, 2365), (1419, 2045)]