378486

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 865920

約数和(自身を除く): 487434

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 163, 258, 326, 387, 489, 774, 978, 1161, 1467, 2322, 2934, 4401, 7009, 8802, 14018, 21027, 42054, 63081, 126162, 189243, 378486]

約数ペア:

[(1, 378486), (2, 189243), (3, 126162), (6, 63081), (9, 42054), (18, 21027), (27, 14018), (43, 8802), (54, 7009), (86, 4401), (129, 2934), (163, 2322), (258, 1467), (326, 1161), (387, 978), (489, 774)]