47571993

素因数分解:

$3^2\times 7^2\times {\mathrm{107873}}^1$

素因数の和:107893

約数の個数: 18

約数和(自身を含む): 79934634

約数和(自身を除く): 32362641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 107873, 323619, 755111, 970857, 2265333, 5285777, 6795999, 15857331, 47571993]

約数ペア:

[(1, 47571993), (3, 15857331), (7, 6795999), (9, 5285777), (21, 2265333), (49, 970857), (63, 755111), (147, 323619), (441, 107873)]