3878945

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{307}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 5632704

約数和(自身を除く): 1753759

約数列:

[1, 5, 7, 19, 35, 95, 133, 307, 361, 665, 1535, 1805, 2149, 2527, 5833, 10745, 12635, 29165, 40831, 110827, 204155, 554135, 775789, 3878945]

約数ペア:

[(1, 3878945), (5, 775789), (7, 554135), (19, 204155), (35, 110827), (95, 40831), (133, 29165), (307, 12635), (361, 10745), (665, 5833), (1535, 2527), (1805, 2149)]