85005369

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{4391}}^1$

素因数の和:4642

約数の個数: 20

約数和(自身を含む): 127543680

約数和(自身を除く): 42538311

約数列:

[1, 3, 9, 27, 81, 239, 717, 2151, 4391, 6453, 13173, 19359, 39519, 118557, 355671, 1049449, 3148347, 9445041, 28335123, 85005369]

約数ペア:

[(1, 85005369), (3, 28335123), (9, 9445041), (27, 3148347), (81, 1049449), (239, 355671), (717, 118557), (2151, 39519), (4391, 19359), (6453, 13173)]