239385279

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{4271}}^1$

素因数の和:4455

約数の個数: 32

約数和(自身を含む): 388786176

約数和(自身を除く): 149400897

約数列:

[1, 3, 7, 17, 21, 51, 119, 157, 357, 471, 1099, 2669, 3297, 4271, 8007, 12813, 18683, 29897, 56049, 72607, 89691, 217821, 508249, 670547, 1524747, 2011641, 4693829, 11399299, 14081487, 34197897, 79795093, 239385279]

約数ペア:

[(1, 239385279), (3, 79795093), (7, 34197897), (17, 14081487), (21, 11399299), (51, 4693829), (119, 2011641), (157, 1524747), (357, 670547), (471, 508249), (1099, 217821), (2669, 89691), (3297, 72607), (4271, 56049), (8007, 29897), (12813, 18683)]