12180273

素因数分解:

$3^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 20167200

約数和(自身を除く): 7986927

約数列:

[1, 3, 7, 19, 21, 49, 57, 89, 133, 147, 267, 343, 399, 623, 931, 1029, 1691, 1869, 2401, 2793, 4361, 5073, 6517, 7203, 11837, 13083, 19551, 30527, 35511, 45619, 82859, 91581, 136857, 213689, 248577, 580013, 641067, 1740039, 4060091, 12180273]

約数ペア:

[(1, 12180273), (3, 4060091), (7, 1740039), (19, 641067), (21, 580013), (49, 248577), (57, 213689), (89, 136857), (133, 91581), (147, 82859), (267, 45619), (343, 35511), (399, 30527), (623, 19551), (931, 13083), (1029, 11837), (1691, 7203), (1869, 6517), (2401, 5073), (2793, 4361)]