70820997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2887}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 110621952

約数和(自身を除く): 39800955

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1443, 1887, 2887, 8177, 8661, 24531, 37531, 49079, 106819, 112593, 147237, 320457, 638027, 1388647, 1815923, 1914081, 4165941, 5447769, 23606999, 70820997]

約数ペア:

[(1, 70820997), (3, 23606999), (13, 5447769), (17, 4165941), (37, 1914081), (39, 1815923), (51, 1388647), (111, 638027), (221, 320457), (481, 147237), (629, 112593), (663, 106819), (1443, 49079), (1887, 37531), (2887, 24531), (8177, 8661)]