123713247

素因数分解:

$3^1\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{2749}}^1$

素因数の和:4902

約数の個数: 16

約数和(自身を含む): 188672000

約数和(自身を除く): 64958753

約数列:

[1, 3, 7, 21, 2143, 2749, 6429, 8247, 15001, 19243, 45003, 57729, 5891107, 17673321, 41237749, 123713247]

約数ペア:

[(1, 123713247), (3, 41237749), (7, 17673321), (21, 5891107), (2143, 57729), (2749, 45003), (6429, 19243), (8247, 15001)]