901720897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{1291}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 1154985984

約数和(自身を除く): 253265087

約数列:

[1, 7, 11, 47, 77, 193, 329, 517, 1291, 1351, 2123, 3619, 9037, 9071, 14201, 14861, 60677, 63497, 99407, 99781, 249163, 424739, 667447, 698467, 1744141, 2740793, 4672129, 11710661, 19185551, 81974627, 128817271, 901720897]

約数ペア:

[(1, 901720897), (7, 128817271), (11, 81974627), (47, 19185551), (77, 11710661), (193, 4672129), (329, 2740793), (517, 1744141), (1291, 698467), (1351, 667447), (2123, 424739), (3619, 249163), (9037, 99781), (9071, 99407), (14201, 63497), (14861, 60677)]