81159985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{5557}}^1$

素因数の和:5712

約数の個数: 16

約数和(自身を含む): 102445056

約数和(自身を除く): 21285071

約数列:

[1, 5, 23, 115, 127, 635, 2921, 5557, 14605, 27785, 127811, 639055, 705739, 3528695, 16231997, 81159985]

約数ペア:

[(1, 81159985), (5, 16231997), (23, 3528695), (115, 705739), (127, 639055), (635, 127811), (2921, 27785), (5557, 14605)]