219018387

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{13669}}^1$

素因数の和:13795

約数の個数: 24

約数和(自身を含む): 342843600

約数和(自身を除く): 123825213

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 5341, 13669, 16023, 41007, 95683, 287049, 669781, 1489921, 2009343, 4469763, 10429447, 31288341, 73006129, 219018387]

約数ペア:

[(1, 219018387), (3, 73006129), (7, 31288341), (21, 10429447), (49, 4469763), (109, 2009343), (147, 1489921), (327, 669781), (763, 287049), (2289, 95683), (5341, 41007), (13669, 16023)]