51980145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3779}}^1$

素因数の和:3925

約数の個数: 32

約数和(自身を含む): 95800320

約数和(自身を除く): 43820175

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2751, 3779, 4585, 11337, 13755, 18895, 26453, 56685, 79359, 132265, 396795, 495049, 1485147, 2475245, 3465343, 7425735, 10396029, 17326715, 51980145]

約数ペア:

[(1, 51980145), (3, 17326715), (5, 10396029), (7, 7425735), (15, 3465343), (21, 2475245), (35, 1485147), (105, 495049), (131, 396795), (393, 132265), (655, 79359), (917, 56685), (1965, 26453), (2751, 18895), (3779, 13755), (4585, 11337)]