207927

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:180

約数の個数: 20

約数和(自身を含む): 331056

約数和(自身を除く): 123129

約数列:

[1, 3, 9, 17, 27, 51, 81, 151, 153, 453, 459, 1359, 1377, 2567, 4077, 7701, 12231, 23103, 69309, 207927]

約数ペア:

[(1, 207927), (3, 69309), (9, 23103), (17, 12231), (27, 7701), (51, 4077), (81, 2567), (151, 1377), (153, 1359), (453, 459)]