255591566205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21011}}^1\times {\mathrm{42683}}^1$

素因数の和:63721

約数の個数: 32

約数和(自身を含む): 430500579840

約数和(自身を除く): 174909013635

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 21011, 42683, 63033, 105055, 128049, 213415, 315165, 399209, 640245, 810977, 1197627, 1996045, 2432931, 4054885, 5988135, 12164655, 896812513, 2690437539, 4484062565, 13452187695, 17039437747, 51118313241, 85197188735, 255591566205]

約数ペア:

[(1, 255591566205), (3, 85197188735), (5, 51118313241), (15, 17039437747), (19, 13452187695), (57, 4484062565), (95, 2690437539), (285, 896812513), (21011, 12164655), (42683, 5988135), (63033, 4054885), (105055, 2432931), (128049, 1996045), (213415, 1197627), (315165, 810977), (399209, 640245)]