4021575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 7041960

約数和(自身を除く): 3020385

約数列:

[1, 3, 5, 15, 25, 29, 43, 75, 87, 129, 145, 215, 435, 645, 725, 1075, 1247, 1849, 2175, 3225, 3741, 5547, 6235, 9245, 18705, 27735, 31175, 46225, 53621, 93525, 138675, 160863, 268105, 804315, 1340525, 4021575]

約数ペア:

[(1, 4021575), (3, 1340525), (5, 804315), (15, 268105), (25, 160863), (29, 138675), (43, 93525), (75, 53621), (87, 46225), (129, 31175), (145, 27735), (215, 18705), (435, 9245), (645, 6235), (725, 5547), (1075, 3741), (1247, 3225), (1849, 2175)]