81662135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{18127}}^1$

素因数の和:18202

約数の個数: 16

約数和(自身を含む): 105722496

約数和(自身を除く): 24060361

約数列:

[1, 5, 17, 53, 85, 265, 901, 4505, 18127, 90635, 308159, 960731, 1540795, 4803655, 16332427, 81662135]

約数ペア:

[(1, 81662135), (5, 16332427), (17, 4803655), (53, 1540795), (85, 960731), (265, 308159), (901, 90635), (4505, 18127)]