81664095

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{126611}}^1$

素因数の和:126662

約数の個数: 16

約数和(自身を含む): 133702272

約数和(自身を除く): 52038177

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 126611, 379833, 633055, 1899165, 5444273, 16332819, 27221365, 81664095]

約数ペア:

[(1, 81664095), (3, 27221365), (5, 16332819), (15, 5444273), (43, 1899165), (129, 633055), (215, 379833), (645, 126611)]