16698213

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1109}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 27705600

約数和(自身を除く): 11007387

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1109, 1673, 2151, 3327, 5019, 7763, 9981, 15057, 23289, 69867, 265051, 795153, 1855357, 2385459, 5566071, 16698213]

約数ペア:

[(1, 16698213), (3, 5566071), (7, 2385459), (9, 1855357), (21, 795153), (63, 265051), (239, 69867), (717, 23289), (1109, 15057), (1673, 9981), (2151, 7763), (3327, 5019)]