86821965

素因数分解:

$3^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1987}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 150722208

約数和(自身を除く): 63900243

約数列:

[1, 3, 5, 9, 15, 45, 971, 1987, 2913, 4855, 5961, 8739, 9935, 14565, 17883, 29805, 43695, 89415, 1929377, 5788131, 9646885, 17364393, 28940655, 86821965]

約数ペア:

[(1, 86821965), (3, 28940655), (5, 17364393), (9, 9646885), (15, 5788131), (45, 1929377), (971, 89415), (1987, 43695), (2913, 29805), (4855, 17883), (5961, 14565), (8739, 9935)]