31888209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1889}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 45178560

約数和(自身を除く): 13290351

約数列:

[1, 3, 17, 51, 331, 993, 1889, 5627, 5667, 16881, 32113, 96339, 625259, 1875777, 10629403, 31888209]

約数ペア:

[(1, 31888209), (3, 10629403), (17, 1875777), (51, 625259), (331, 96339), (993, 32113), (1889, 16881), (5627, 5667)]