31089123

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3851}}^1$

素因数の和:3896

約数の個数: 32

約数和(自身を含む): 51770880

約数和(自身を除く): 20681757

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 3851, 8073, 11553, 34659, 50063, 88573, 103977, 150189, 265719, 450567, 797157, 1151449, 1351701, 2391471, 3454347, 10363041, 31089123]

約数ペア:

[(1, 31089123), (3, 10363041), (9, 3454347), (13, 2391471), (23, 1351701), (27, 1151449), (39, 797157), (69, 450567), (117, 265719), (207, 150189), (299, 103977), (351, 88573), (621, 50063), (897, 34659), (2691, 11553), (3851, 8073)]