28893591

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20983}}^1$

素因数の和:21012

約数の個数: 20

約数和(自身を含む): 45703152

約数和(自身を除く): 16809561

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20983, 62949, 188847, 356711, 566541, 1070133, 1699623, 3210399, 9631197, 28893591]

約数ペア:

[(1, 28893591), (3, 9631197), (9, 3210399), (17, 1699623), (27, 1070133), (51, 566541), (81, 356711), (153, 188847), (459, 62949), (1377, 20983)]