28166505

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43669}}^1$

素因数の和:43720

約数の個数: 16

約数和(自身を含む): 46115520

約数和(自身を除く): 17949015

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43669, 131007, 218345, 655035, 1877767, 5633301, 9388835, 28166505]

約数ペア:

[(1, 28166505), (3, 9388835), (5, 5633301), (15, 1877767), (43, 655035), (129, 218345), (215, 131007), (645, 43669)]