213304831

素因数分解:

${\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 242259840

約数和(自身を除く): 28955009

約数列:

[1, 17, 29, 31, 289, 493, 527, 821, 899, 8381, 8959, 13957, 15283, 23809, 25451, 237269, 259811, 404753, 432667, 738079, 6880801, 7355339, 12547343, 213304831]

約数ペア:

[(1, 213304831), (17, 12547343), (29, 7355339), (31, 6880801), (289, 738079), (493, 432667), (527, 404753), (821, 259811), (899, 237269), (8381, 25451), (8959, 23809), (13957, 15283)]