28683225

素因数分解:

$3^2\times 5^2\times {\mathrm{127481}}^1$

素因数の和:127497

約数の個数: 18

約数和(自身を含む): 51375246

約数和(自身を除く): 22692021

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 127481, 382443, 637405, 1147329, 1912215, 3187025, 5736645, 9561075, 28683225]

約数ペア:

[(1, 28683225), (3, 9561075), (5, 5736645), (9, 3187025), (15, 1912215), (25, 1147329), (45, 637405), (75, 382443), (225, 127481)]