15215121

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{8167}}^1$

素因数の和:8202

約数の個数: 20

約数和(自身を含む): 23719872

約数和(自身を除く): 8504751

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 8167, 24501, 73503, 187841, 220509, 563523, 661527, 1690569, 5071707, 15215121]

約数ペア:

[(1, 15215121), (3, 5071707), (9, 1690569), (23, 661527), (27, 563523), (69, 220509), (81, 187841), (207, 73503), (621, 24501), (1863, 8167)]