420174945

素因数分解:

$3^5\times 5^1\times {\mathrm{345823}}^1$

素因数の和:345843

約数の個数: 24

約数和(自身を含む): 755279616

約数和(自身を除く): 335104671

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 345823, 1037469, 1729115, 3112407, 5187345, 9337221, 15562035, 28011663, 46686105, 84034989, 140058315, 420174945]

約数ペア:

[(1, 420174945), (3, 140058315), (5, 84034989), (9, 46686105), (15, 28011663), (27, 15562035), (45, 9337221), (81, 5187345), (135, 3112407), (243, 1729115), (405, 1037469), (1215, 345823)]