2850309

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 5320128

約数和(自身を除く): 2469819

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 457, 567, 693, 891, 1371, 2079, 3199, 4113, 5027, 6237, 9597, 12339, 15081, 28791, 35189, 37017, 45243, 86373, 105567, 135729, 259119, 316701, 407187, 950103, 2850309]

約数ペア:

[(1, 2850309), (3, 950103), (7, 407187), (9, 316701), (11, 259119), (21, 135729), (27, 105567), (33, 86373), (63, 45243), (77, 37017), (81, 35189), (99, 28791), (189, 15081), (231, 12339), (297, 9597), (457, 6237), (567, 5027), (693, 4113), (891, 3199), (1371, 2079)]