91218729

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71209}}^1$

素因数の和:71280

約数の個数: 16

約数和(自身を含む): 141280640

約数和(自身を除く): 50061911

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 71209, 213627, 498463, 1495389, 4343749, 13031247, 30406243, 91218729]

約数ペア:

[(1, 91218729), (3, 30406243), (7, 13031247), (21, 4343749), (61, 1495389), (183, 498463), (427, 213627), (1281, 71209)]