721274871

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{147229}}^1$

素因数の和:147326

約数の個数: 16

約数和(自身を含む): 1017653760

約数和(自身を除く): 296378889

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 147229, 441687, 3386267, 10158801, 10453259, 31359777, 240424957, 721274871]

約数ペア:

[(1, 721274871), (3, 240424957), (23, 31359777), (69, 10453259), (71, 10158801), (213, 3386267), (1633, 441687), (4899, 147229)]