31159167

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 15289473

約数列:

[1, 3, 13, 39, 47, 89, 141, 191, 267, 573, 611, 1157, 1833, 2483, 3471, 4183, 7449, 8977, 12549, 16999, 26931, 50997, 54379, 116701, 163137, 220987, 350103, 662961, 798953, 2396859, 10386389, 31159167]

約数ペア:

[(1, 31159167), (3, 10386389), (13, 2396859), (39, 798953), (47, 662961), (89, 350103), (141, 220987), (191, 163137), (267, 116701), (573, 54379), (611, 50997), (1157, 26931), (1833, 16999), (2483, 12549), (3471, 8977), (4183, 7449)]