75867921

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{3919}}^1$

素因数の和:4170

約数の個数: 20

約数和(自身を含む): 113836800

約数和(自身を除く): 37968879

約数列:

[1, 3, 9, 27, 81, 239, 717, 2151, 3919, 6453, 11757, 19359, 35271, 105813, 317439, 936641, 2809923, 8429769, 25289307, 75867921]

約数ペア:

[(1, 75867921), (3, 25289307), (9, 8429769), (27, 2809923), (81, 936641), (239, 317439), (717, 105813), (2151, 35271), (3919, 19359), (6453, 11757)]