71352009

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{51817}}^1$

素因数の和:51846

約数の個数: 20

約数和(自身を含む): 112859604

約数和(自身を除く): 41507595

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 51817, 155451, 466353, 880889, 1399059, 2642667, 4197177, 7928001, 23784003, 71352009]

約数ペア:

[(1, 71352009), (3, 23784003), (9, 7928001), (17, 4197177), (27, 2642667), (51, 1399059), (81, 880889), (153, 466353), (459, 155451), (1377, 51817)]