86856819

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 136442880

約数和(自身を除く): 49586061

約数列:

[1, 3, 7, 21, 41, 123, 281, 287, 359, 843, 861, 1077, 1967, 2513, 5901, 7539, 11521, 14719, 34563, 44157, 80647, 100879, 103033, 241941, 302637, 309099, 706153, 2118459, 4136039, 12408117, 28952273, 86856819]

約数ペア:

[(1, 86856819), (3, 28952273), (7, 12408117), (21, 4136039), (41, 2118459), (123, 706153), (281, 309099), (287, 302637), (359, 241941), (843, 103033), (861, 100879), (1077, 80647), (1967, 44157), (2513, 34563), (5901, 14719), (7539, 11521)]