142857729

素因数分解:

$3^3\times 7^1\times {\mathrm{755861}}^1$

素因数の和:755877

約数の個数: 16

約数和(自身を含む): 241875840

約数和(自身を除く): 99018111

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 755861, 2267583, 5291027, 6802749, 15873081, 20408247, 47619243, 142857729]

約数ペア:

[(1, 142857729), (3, 47619243), (7, 20408247), (9, 15873081), (21, 6802749), (27, 5291027), (63, 2267583), (189, 755861)]