247225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 357120

約数和(自身を除く): 109895

約数列:

[1, 5, 11, 25, 29, 31, 55, 145, 155, 275, 319, 341, 725, 775, 899, 1595, 1705, 4495, 7975, 8525, 9889, 22475, 49445, 247225]

約数ペア:

[(1, 247225), (5, 49445), (11, 22475), (25, 9889), (29, 8525), (31, 7975), (55, 4495), (145, 1705), (155, 1595), (275, 899), (319, 775), (341, 725)]