556245

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 988416

約数和(自身を除く): 432171

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 263, 423, 705, 789, 1315, 2115, 2367, 3945, 11835, 12361, 37083, 61805, 111249, 185415, 556245]

約数ペア:

[(1, 556245), (3, 185415), (5, 111249), (9, 61805), (15, 37083), (45, 12361), (47, 11835), (141, 3945), (235, 2367), (263, 2115), (423, 1315), (705, 789)]