212905497

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2311}}^1$

素因数の和:2469

約数の個数: 32

約数和(自身を含む): 335591424

約数和(自身を除く): 122685927

約数列:

[1, 3, 7, 21, 41, 107, 123, 287, 321, 749, 861, 2247, 2311, 4387, 6933, 13161, 16177, 30709, 48531, 92127, 94751, 247277, 284253, 663257, 741831, 1730939, 1989771, 5192817, 10138357, 30415071, 70968499, 212905497]

約数ペア:

[(1, 212905497), (3, 70968499), (7, 30415071), (21, 10138357), (41, 5192817), (107, 1989771), (123, 1730939), (287, 741831), (321, 663257), (749, 284253), (861, 247277), (2247, 94751), (2311, 92127), (4387, 48531), (6933, 30709), (13161, 16177)]