820170065

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{104281}}^1$

素因数の和:104321

約数の個数: 24

約数和(自身を含む): 1165038504

約数和(自身を除く): 344868439

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 7865, 104281, 521405, 1147091, 1355653, 5735455, 6778265, 12618001, 14912183, 63090005, 74560915, 164034013, 820170065]

約数ペア:

[(1, 820170065), (5, 164034013), (11, 74560915), (13, 63090005), (55, 14912183), (65, 12618001), (121, 6778265), (143, 5735455), (605, 1355653), (715, 1147091), (1573, 521405), (7865, 104281)]