321172857

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{77747}}^1$

素因数の和:77779

約数の個数: 24

約数和(自身を含む): 509404896

約数和(自身を除く): 188232039

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 77747, 233241, 699723, 1321699, 2099169, 3965097, 6297507, 11895291, 18892521, 35685873, 107057619, 321172857]

約数ペア:

[(1, 321172857), (3, 107057619), (9, 35685873), (17, 18892521), (27, 11895291), (51, 6297507), (81, 3965097), (153, 2099169), (243, 1321699), (459, 699723), (1377, 233241), (4131, 77747)]