7890345

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 14144640

約数和(自身を除く): 6254295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 277, 633, 831, 1055, 1385, 1899, 2493, 3165, 4155, 5697, 7479, 9495, 12465, 28485, 37395, 58447, 175341, 292235, 526023, 876705, 1578069, 2630115, 7890345]

約数ペア:

[(1, 7890345), (3, 2630115), (5, 1578069), (9, 876705), (15, 526023), (27, 292235), (45, 175341), (135, 58447), (211, 37395), (277, 28485), (633, 12465), (831, 9495), (1055, 7479), (1385, 5697), (1899, 4155), (2493, 3165)]