218291235

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 354523392

約数和(自身を除く): 136232157

約数列:

[1, 3, 5, 15, 107, 277, 321, 491, 535, 831, 1385, 1473, 1605, 2455, 4155, 7365, 29639, 52537, 88917, 136007, 148195, 157611, 262685, 408021, 444585, 680035, 788055, 2040105, 14552749, 43658247, 72763745, 218291235]

約数ペア:

[(1, 218291235), (3, 72763745), (5, 43658247), (15, 14552749), (107, 2040105), (277, 788055), (321, 680035), (491, 444585), (535, 408021), (831, 262685), (1385, 157611), (1473, 148195), (1605, 136007), (2455, 88917), (4155, 52537), (7365, 29639)]