12731913

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 19027008

約数和(自身を除く): 6295095

約数列:

[1, 3, 9, 43, 129, 167, 197, 387, 501, 591, 1503, 1773, 7181, 8471, 21543, 25413, 32899, 64629, 76239, 98697, 296091, 1414657, 4243971, 12731913]

約数ペア:

[(1, 12731913), (3, 4243971), (9, 1414657), (43, 296091), (129, 98697), (167, 76239), (197, 64629), (387, 32899), (501, 25413), (591, 21543), (1503, 8471), (1773, 7181)]