75720321

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2137}}^1$

素因数の和:2301

約数の個数: 24

約数和(自身を含む): 113844224

約数和(自身を除く): 38123903

約数列:

[1, 3, 9, 31, 93, 127, 279, 381, 1143, 2137, 3937, 6411, 11811, 19233, 35433, 66247, 198741, 271399, 596223, 814197, 2442591, 8413369, 25240107, 75720321]

約数ペア:

[(1, 75720321), (3, 25240107), (9, 8413369), (31, 2442591), (93, 814197), (127, 596223), (279, 271399), (381, 198741), (1143, 66247), (2137, 35433), (3937, 19233), (6411, 11811)]