31130163

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{5413}}^1$

素因数の和:5496

約数の個数: 20

約数和(自身を含む): 47166768

約数和(自身を除く): 16036605

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5413, 5751, 16239, 48717, 146151, 384323, 438453, 1152969, 3458907, 10376721, 31130163]

約数ペア:

[(1, 31130163), (3, 10376721), (9, 3458907), (27, 1152969), (71, 438453), (81, 384323), (213, 146151), (639, 48717), (1917, 16239), (5413, 5751)]