209372793

素因数分解:

$3^1\times 7^1\times {\mathrm{1429}}^1\times {\mathrm{6977}}^1$

素因数の和:8416

約数の個数: 16

約数和(自身を含む): 319313280

約数和(自身を除く): 109940487

約数列:

[1, 3, 7, 21, 1429, 4287, 6977, 10003, 20931, 30009, 48839, 146517, 9970133, 29910399, 69790931, 209372793]

約数ペア:

[(1, 209372793), (3, 69790931), (7, 29910399), (21, 9970133), (1429, 146517), (4287, 48839), (6977, 30009), (10003, 20931)]