210147291

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{36541}}^1$

素因数の和:36624

約数の個数: 20

約数和(自身を含む): 318353904

約数和(自身を除く): 108206613

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 36541, 109623, 328869, 986607, 2594411, 2959821, 7783233, 23349699, 70049097, 210147291]

約数ペア:

[(1, 210147291), (3, 70049097), (9, 23349699), (27, 7783233), (71, 2959821), (81, 2594411), (213, 986607), (639, 328869), (1917, 109623), (5751, 36541)]