209327307

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20219}}^1$

素因数の和:20275

約数の個数: 32

約数和(自身を含む): 349401600

約数和(自身を除く): 140074293

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 3451, 10353, 20219, 60657, 141533, 343723, 424599, 586351, 1031169, 1759053, 2406061, 4104457, 7218183, 9967967, 12313371, 29903901, 69775769, 209327307]

約数ペア:

[(1, 209327307), (3, 69775769), (7, 29903901), (17, 12313371), (21, 9967967), (29, 7218183), (51, 4104457), (87, 2406061), (119, 1759053), (203, 1031169), (357, 586351), (493, 424599), (609, 343723), (1479, 141533), (3451, 60657), (10353, 20219)]