10720143

素因数分解:

$3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 17791488

約数和(自身を除く): 7071345

約数列:

[1, 3, 7, 9, 21, 63, 263, 647, 789, 1841, 1941, 2367, 4529, 5523, 5823, 13587, 16569, 40761, 170161, 510483, 1191127, 1531449, 3573381, 10720143]

約数ペア:

[(1, 10720143), (3, 3573381), (7, 1531449), (9, 1191127), (21, 510483), (63, 170161), (263, 40761), (647, 16569), (789, 13587), (1841, 5823), (1941, 5523), (2367, 4529)]