78271251

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{1213}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 105880224

約数和(自身を除く): 27608973

約数列:

[1, 3, 137, 157, 411, 471, 1213, 3639, 21509, 64527, 166181, 190441, 498543, 571323, 26090417, 78271251]

約数ペア:

[(1, 78271251), (3, 26090417), (137, 571323), (157, 498543), (411, 190441), (471, 166181), (1213, 64527), (3639, 21509)]