39921945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20011}}^1$

素因数の和:20045

約数の個数: 32

約数和(自身を含む): 76846080

約数和(自身を除く): 36924135

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 20011, 60033, 100055, 140077, 300165, 380209, 420231, 700385, 1140627, 1901045, 2101155, 2661463, 5703135, 7984389, 13307315, 39921945]

約数ペア:

[(1, 39921945), (3, 13307315), (5, 7984389), (7, 5703135), (15, 2661463), (19, 2101155), (21, 1901045), (35, 1140627), (57, 700385), (95, 420231), (105, 380209), (133, 300165), (285, 140077), (399, 100055), (665, 60033), (1995, 20011)]