1261245

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1844

約数の個数: 16

約数和(自身を含む): 2062080

約数和(自身を除く): 800835

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 1789, 5367, 8945, 26835, 84083, 252249, 420415, 1261245]

約数ペア:

[(1, 1261245), (3, 420415), (5, 252249), (15, 84083), (47, 26835), (141, 8945), (235, 5367), (705, 1789)]