1683981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 2697240

約数和(自身を除く): 1013259

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 389, 481, 1167, 1443, 3501, 4329, 5057, 14393, 15171, 43179, 45513, 129537, 187109, 561327, 1683981]

約数ペア:

[(1, 1683981), (3, 561327), (9, 187109), (13, 129537), (37, 45513), (39, 43179), (111, 15171), (117, 14393), (333, 5057), (389, 4329), (481, 3501), (1167, 1443)]