2157687

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 3687840

約数和(自身を除く): 1530153

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1181, 1827, 3543, 8267, 10629, 24801, 34249, 74403, 102747, 239743, 308241, 719229, 2157687]

約数ペア:

[(1, 2157687), (3, 719229), (7, 308241), (9, 239743), (21, 102747), (29, 74403), (63, 34249), (87, 24801), (203, 10629), (261, 8267), (609, 3543), (1181, 1827)]