251392821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{47857}}^1$

素因数の和:47980

約数の個数: 16

約数和(自身を含む): 358360704

約数和(自身を除く): 106967883

約数列:

[1, 3, 17, 51, 103, 309, 1751, 5253, 47857, 143571, 813569, 2440707, 4929271, 14787813, 83797607, 251392821]

約数ペア:

[(1, 251392821), (3, 83797607), (17, 14787813), (51, 4929271), (103, 2440707), (309, 813569), (1751, 143571), (5253, 47857)]