68643981

素因数分解:

$3^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1619}}^1$

素因数の和:2305

約数の個数: 24

約数和(自身を含む): 113555520

約数和(自身を除く): 44911539

約数列:

[1, 3, 7, 9, 21, 63, 673, 1619, 2019, 4711, 4857, 6057, 11333, 14133, 14571, 33999, 42399, 101997, 1089587, 3268761, 7627109, 9806283, 22881327, 68643981]

約数ペア:

[(1, 68643981), (3, 22881327), (7, 9806283), (9, 7627109), (21, 3268761), (63, 1089587), (673, 101997), (1619, 42399), (2019, 33999), (4711, 14571), (4857, 14133), (6057, 11333)]