28286187

素因数分解:

$3^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 39697920

約数和(自身を除く): 11411733

約数列:

[1, 3, 41, 71, 79, 123, 213, 237, 1681, 2911, 3239, 5043, 5609, 8733, 9717, 16827, 119351, 132799, 229969, 358053, 398397, 689907, 9428729, 28286187]

約数ペア:

[(1, 28286187), (3, 9428729), (41, 689907), (71, 398397), (79, 358053), (123, 229969), (213, 132799), (237, 119351), (1681, 16827), (2911, 9717), (3239, 8733), (5043, 5609)]