389473371

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{54709}}^1$

素因数の和:54835

約数の個数: 24

約数和(自身を含む): 648641760

約数和(自身を除く): 259168389

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 7119, 54709, 164127, 382963, 492381, 1148889, 3446667, 6182117, 18546351, 43274819, 55639053, 129824457, 389473371]

約数ペア:

[(1, 389473371), (3, 129824457), (7, 55639053), (9, 43274819), (21, 18546351), (63, 6182117), (113, 3446667), (339, 1148889), (791, 492381), (1017, 382963), (2373, 164127), (7119, 54709)]