31812261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2657}}^1$

素因数の和:2980

約数の個数: 16

約数和(自身を含む): 45845184

約数和(自身を除く): 14032923

約数列:

[1, 3, 13, 39, 307, 921, 2657, 3991, 7971, 11973, 34541, 103623, 815699, 2447097, 10604087, 31812261]

約数ペア:

[(1, 31812261), (3, 10604087), (13, 2447097), (39, 815699), (307, 103623), (921, 34541), (2657, 11973), (3991, 7971)]