81378165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{493201}}^1$

素因数の和:493220

約数の個数: 16

約数和(自身を含む): 142042176

約数和(自身を除く): 60664011

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 493201, 1479603, 2466005, 5425211, 7398015, 16275633, 27126055, 81378165]

約数ペア:

[(1, 81378165), (3, 27126055), (5, 16275633), (11, 7398015), (15, 5425211), (33, 2466005), (55, 1479603), (165, 493201)]