80439903

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1871}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 123529536

約数和(自身を除く): 43089633

約数列:

[1, 3, 9, 17, 51, 153, 281, 843, 1871, 2529, 4777, 5613, 14331, 16839, 31807, 42993, 95421, 286263, 525751, 1577253, 4731759, 8937767, 26813301, 80439903]

約数ペア:

[(1, 80439903), (3, 26813301), (9, 8937767), (17, 4731759), (51, 1577253), (153, 525751), (281, 286263), (843, 95421), (1871, 42993), (2529, 31807), (4777, 16839), (5613, 14331)]