315021819

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{4111}}^1$

素因数の和:4251

約数の個数: 32

約数和(自身を含む): 497387520

約数和(自身を除く): 182365701

約数列:

[1, 3, 7, 21, 41, 89, 123, 267, 287, 623, 861, 1869, 3649, 4111, 10947, 12333, 25543, 28777, 76629, 86331, 168551, 365879, 505653, 1097637, 1179857, 2561153, 3539571, 7683459, 15001039, 45003117, 105007273, 315021819]

約数ペア:

[(1, 315021819), (3, 105007273), (7, 45003117), (21, 15001039), (41, 7683459), (89, 3539571), (123, 2561153), (267, 1179857), (287, 1097637), (623, 505653), (861, 365879), (1869, 168551), (3649, 86331), (4111, 76629), (10947, 28777), (12333, 25543)]