13556319

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 21596160

約数和(自身を除く): 8039841

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 239, 259, 511, 717, 777, 1533, 1673, 2701, 5019, 8103, 8843, 17447, 18907, 26529, 52341, 56721, 61901, 122129, 185703, 366387, 645539, 1936617, 4518773, 13556319]

約数ペア:

[(1, 13556319), (3, 4518773), (7, 1936617), (21, 645539), (37, 366387), (73, 185703), (111, 122129), (219, 61901), (239, 56721), (259, 52341), (511, 26529), (717, 18907), (777, 17447), (1533, 8843), (1673, 8103), (2701, 5019)]