1311387

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{811}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 2221632

約数和(自身を除く): 910245

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 811, 1617, 2433, 5677, 8921, 17031, 26763, 39739, 62447, 119217, 187341, 437129, 1311387]

約数ペア:

[(1, 1311387), (3, 437129), (7, 187341), (11, 119217), (21, 62447), (33, 39739), (49, 26763), (77, 17031), (147, 8921), (231, 5677), (539, 2433), (811, 1617)]