257176245

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{1607}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 422350848

約数和(自身を除く): 165174603

約数列:

[1, 3, 5, 15, 47, 141, 227, 235, 681, 705, 1135, 1607, 3405, 4821, 8035, 10669, 24105, 32007, 53345, 75529, 160035, 226587, 364789, 377645, 1094367, 1132935, 1823945, 5471835, 17145083, 51435249, 85725415, 257176245]

約数ペア:

[(1, 257176245), (3, 85725415), (5, 51435249), (15, 17145083), (47, 5471835), (141, 1823945), (227, 1132935), (235, 1094367), (681, 377645), (705, 364789), (1135, 226587), (1607, 160035), (3405, 75529), (4821, 53345), (8035, 32007), (10669, 24105)]