28420209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{185753}}^1$

素因数の和:185776

約数の個数: 12

約数和(自身を含む): 43466436

約数和(自身を除く): 15046227

約数列:

[1, 3, 9, 17, 51, 153, 185753, 557259, 1671777, 3157801, 9473403, 28420209]

約数ペア:

[(1, 28420209), (3, 9473403), (9, 3157801), (17, 1671777), (51, 557259), (153, 185753)]