685434879

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{228707}}^1$

素因数の和:228756

約数の個数: 20

約数和(自身を含む): 1051599384

約数和(自身を除く): 366164505

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 228707, 686121, 2058363, 6175089, 8462159, 18525267, 25386477, 76159431, 228478293, 685434879]

約数ペア:

[(1, 685434879), (3, 228478293), (9, 76159431), (27, 25386477), (37, 18525267), (81, 8462159), (111, 6175089), (333, 2058363), (999, 686121), (2997, 228707)]