28672443

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{1723}}^1$

素因数の和:1815

約数の個数: 18

約数和(自身を含む): 42425916

約数和(自身を除く): 13753473

約数列:

[1, 3, 9, 43, 129, 387, 1723, 1849, 5169, 5547, 15507, 16641, 74089, 222267, 666801, 3185827, 9557481, 28672443]

約数ペア:

[(1, 28672443), (3, 9557481), (9, 3185827), (43, 666801), (129, 222267), (387, 74089), (1723, 16641), (1849, 15507), (5169, 5547)]