207821481

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{769}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 336188160

約数和(自身を除く): 128366679

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 757, 769, 2271, 2307, 5299, 5383, 12869, 13073, 15897, 16149, 38607, 39219, 90083, 91511, 270249, 274533, 582133, 1746399, 4074931, 9896261, 12224793, 29688783, 69273827, 207821481]

約数ペア:

[(1, 207821481), (3, 69273827), (7, 29688783), (17, 12224793), (21, 9896261), (51, 4074931), (119, 1746399), (357, 582133), (757, 274533), (769, 270249), (2271, 91511), (2307, 90083), (5299, 39219), (5383, 38607), (12869, 16149), (13073, 15897)]