157440843

素因数分解:

$3^2\times 7^1\times {\mathrm{2499061}}^1$

素因数の和:2499074

約数の個数: 12

約数和(自身を含む): 259902448

約数和(自身を除く): 102461605

約数列:

[1, 3, 7, 9, 21, 63, 2499061, 7497183, 17493427, 22491549, 52480281, 157440843]

約数ペア:

[(1, 157440843), (3, 52480281), (7, 22491549), (9, 17493427), (21, 7497183), (63, 2499061)]