31684887

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1193}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 49546224

約数和(自身を除く): 17861337

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 1193, 2043, 2951, 3579, 8853, 10737, 15509, 26559, 46527, 139581, 270811, 812433, 2437299, 3520543, 10561629, 31684887]

約数ペア:

[(1, 31684887), (3, 10561629), (9, 3520543), (13, 2437299), (39, 812433), (117, 270811), (227, 139581), (681, 46527), (1193, 26559), (2043, 15509), (2951, 10737), (3579, 8853)]