31189803

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1153}}^1$

素因数の和:1354

約数の個数: 16

約数和(自身を含む): 42541056

約数和(自身を除く): 11351253

約数列:

[1, 3, 71, 127, 213, 381, 1153, 3459, 9017, 27051, 81863, 146431, 245589, 439293, 10396601, 31189803]

約数ペア:

[(1, 31189803), (3, 10396601), (71, 439293), (127, 245589), (213, 146431), (381, 81863), (1153, 27051), (3459, 9017)]