15849897

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 25288704

約数和(自身を除く): 9438807

約数列:

[1, 3, 7, 21, 31, 93, 97, 217, 251, 291, 651, 679, 753, 1757, 2037, 3007, 5271, 7781, 9021, 21049, 23343, 24347, 54467, 63147, 73041, 163401, 170429, 511287, 754757, 2264271, 5283299, 15849897]

約数ペア:

[(1, 15849897), (3, 5283299), (7, 2264271), (21, 754757), (31, 511287), (93, 170429), (97, 163401), (217, 73041), (251, 63147), (291, 54467), (651, 24347), (679, 23343), (753, 21049), (1757, 9021), (2037, 7781), (3007, 5271)]