261567009

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{971}}^1$

素因数の和:1898

約数の個数: 32

約数和(自身を含む): 423636480

約数和(自身を除く): 162069471

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 907, 971, 2721, 2913, 8163, 8739, 9977, 10681, 24489, 26217, 29931, 32043, 89793, 96129, 269379, 288387, 880697, 2642091, 7926273, 9687667, 23778819, 29063001, 87189003, 261567009]

約数ペア:

[(1, 261567009), (3, 87189003), (9, 29063001), (11, 23778819), (27, 9687667), (33, 7926273), (99, 2642091), (297, 880697), (907, 288387), (971, 269379), (2721, 96129), (2913, 89793), (8163, 32043), (8739, 29931), (9977, 26217), (10681, 24489)]