19710717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2207}}^1$

素因数の和:2452

約数の個数: 16

約数和(自身を含む): 28439040

約数和(自身を除く): 8728323

約数列:

[1, 3, 13, 39, 229, 687, 2207, 2977, 6621, 8931, 28691, 86073, 505403, 1516209, 6570239, 19710717]

約数ペア:

[(1, 19710717), (3, 6570239), (13, 1516209), (39, 505403), (229, 86073), (687, 28691), (2207, 8931), (2977, 6621)]