2130205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{503}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 3217536

約数和(自身を除く): 1087331

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 503, 605, 847, 2515, 3521, 4235, 5533, 17605, 27665, 38731, 60863, 193655, 304315, 426041, 2130205]

約数ペア:

[(1, 2130205), (5, 426041), (7, 304315), (11, 193655), (35, 60863), (55, 38731), (77, 27665), (121, 17605), (385, 5533), (503, 4235), (605, 3521), (847, 2515)]