261036705

素因数分解:

$3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{66169}}^1$

素因数の和:66440

約数の個数: 16

約数和(自身を含む): 419253120

約数和(自身を除く): 158216415

約数列:

[1, 3, 5, 15, 263, 789, 1315, 3945, 66169, 198507, 330845, 992535, 17402447, 52207341, 87012235, 261036705]

約数ペア:

[(1, 261036705), (3, 87012235), (5, 52207341), (15, 17402447), (263, 992535), (789, 330845), (1315, 198507), (3945, 66169)]