71847729

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{52177}}^1$

素因数の和:52206

約数の個数: 20

約数和(自身を含む): 113643684

約数和(自身を除く): 41795955

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 52177, 156531, 469593, 887009, 1408779, 2661027, 4226337, 7983081, 23949243, 71847729]

約数ペア:

[(1, 71847729), (3, 23949243), (9, 7983081), (17, 4226337), (27, 2661027), (51, 1408779), (81, 887009), (153, 469593), (459, 156531), (1377, 52177)]