216936711

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{157543}}^1$

素因数の和:157572

約数の個数: 20

約数和(自身を含む): 343130832

約数和(自身を除く): 126194121

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 157543, 472629, 1417887, 2678231, 4253661, 8034693, 12760983, 24104079, 72312237, 216936711]

約数ペア:

[(1, 216936711), (3, 72312237), (9, 24104079), (17, 12760983), (27, 8034693), (51, 4253661), (81, 2678231), (153, 1417887), (459, 472629), (1377, 157543)]