86970471

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 137507328

約数和(自身を除く): 50536857

約数列:

[1, 3, 7, 21, 41, 83, 123, 249, 287, 581, 861, 1217, 1743, 3403, 3651, 8519, 10209, 23821, 25557, 49897, 71463, 101011, 149691, 303033, 349279, 707077, 1047837, 2121231, 4141451, 12424353, 28990157, 86970471]

約数ペア:

[(1, 86970471), (3, 28990157), (7, 12424353), (21, 4141451), (41, 2121231), (83, 1047837), (123, 707077), (249, 349279), (287, 303033), (581, 149691), (861, 101011), (1217, 71463), (1743, 49897), (3403, 25557), (3651, 23821), (8519, 10209)]