208335789

素因数分解:

$3^2\times {\mathrm{37}}^3\times {\mathrm{457}}^1$

素因数の和:574

約数の個数: 24

約数和(自身を含む): 309965240

約数和(自身を除く): 101629451

約数列:

[1, 3, 9, 37, 111, 333, 457, 1369, 1371, 4107, 4113, 12321, 16909, 50653, 50727, 151959, 152181, 455877, 625633, 1876899, 5630697, 23148421, 69445263, 208335789]

約数ペア:

[(1, 208335789), (3, 69445263), (9, 23148421), (37, 5630697), (111, 1876899), (333, 625633), (457, 455877), (1369, 152181), (1371, 151959), (4107, 50727), (4113, 50653), (12321, 16909)]