397714863

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{4127}}^1$

素因数の和:4503

約数の個数: 32

約数和(自身を含む): 654667776

約数和(自身を除く): 256952913

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 353, 1059, 2471, 4127, 4589, 7413, 12381, 13767, 28889, 32123, 53651, 86667, 96369, 160953, 375557, 1126671, 1456831, 4370493, 10197817, 18938803, 30593451, 56816409, 132571621, 397714863]

約数ペア:

[(1, 397714863), (3, 132571621), (7, 56816409), (13, 30593451), (21, 18938803), (39, 10197817), (91, 4370493), (273, 1456831), (353, 1126671), (1059, 375557), (2471, 160953), (4127, 96369), (4589, 86667), (7413, 53651), (12381, 32123), (13767, 28889)]