870105

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 1520640

約数和(自身を除く): 650535

約数列:

[1, 3, 5, 15, 19, 43, 57, 71, 95, 129, 213, 215, 285, 355, 645, 817, 1065, 1349, 2451, 3053, 4047, 4085, 6745, 9159, 12255, 15265, 20235, 45795, 58007, 174021, 290035, 870105]

約数ペア:

[(1, 870105), (3, 290035), (5, 174021), (15, 58007), (19, 45795), (43, 20235), (57, 15265), (71, 12255), (95, 9159), (129, 6745), (213, 4085), (215, 4047), (285, 3053), (355, 2451), (645, 1349), (817, 1065)]