4421385

素因数分解:

$3^6\times 5^1\times {\mathrm{1213}}^1$

素因数の和:1236

約数の個数: 28

約数和(自身を含む): 7961412

約数和(自身を除く): 3540027

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1213, 1215, 3639, 3645, 6065, 10917, 18195, 32751, 54585, 98253, 163755, 294759, 491265, 884277, 1473795, 4421385]

約数ペア:

[(1, 4421385), (3, 1473795), (5, 884277), (9, 491265), (15, 294759), (27, 163755), (45, 98253), (81, 54585), (135, 32751), (243, 18195), (405, 10917), (729, 6065), (1213, 3645), (1215, 3639)]