147439971

素因数分解:

$3^2\times 7^2\times {\mathrm{334331}}^1$

素因数の和:334351

約数の個数: 18

約数和(自身を含む): 247740012

約数和(自身を除く): 100300041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 334331, 1002993, 2340317, 3008979, 7020951, 16382219, 21062853, 49146657, 147439971]

約数ペア:

[(1, 147439971), (3, 49146657), (7, 21062853), (9, 16382219), (21, 7020951), (49, 3008979), (63, 2340317), (147, 1002993), (441, 334331)]