81995145

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{147739}}^1$

素因数の和:147784

約数の個数: 16

約数和(自身を含む): 134738880

約数和(自身を除く): 52743735

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 147739, 443217, 738695, 2216085, 5466343, 16399029, 27331715, 81995145]

約数ペア:

[(1, 81995145), (3, 27331715), (5, 16399029), (15, 5466343), (37, 2216085), (111, 738695), (185, 443217), (555, 147739)]