266980791

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{1303}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 444653568

約数和(自身を除く): 177672777

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 887, 1303, 2661, 3909, 6209, 9121, 9757, 14333, 18627, 27363, 29271, 42999, 68299, 100331, 204897, 300993, 1155761, 3467283, 8090327, 12713371, 24270981, 38140113, 88993597, 266980791]

約数ペア:

[(1, 266980791), (3, 88993597), (7, 38140113), (11, 24270981), (21, 12713371), (33, 8090327), (77, 3467283), (231, 1155761), (887, 300993), (1303, 204897), (2661, 100331), (3909, 68299), (6209, 42999), (9121, 29271), (9757, 27363), (14333, 18627)]