642356554419

素因数分解:

$3^3\times {\mathrm{271}}^1\times {\mathrm{87789607}}^1$

素因数の和:87789887

約数の個数: 16

約数和(自身を含む): 955150935040

約数和(自身を除く): 312794380621

約数列:

[1, 3, 9, 27, 271, 813, 2439, 7317, 87789607, 263368821, 790106463, 2370319389, 23790983497, 71372950491, 214118851473, 642356554419]

約数ペア:

[(1, 642356554419), (3, 214118851473), (9, 71372950491), (27, 23790983497), (271, 2370319389), (813, 790106463), (2439, 263368821), (7317, 87789607)]