28906725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12433}}^1$

素因数の和:12477

約数の個数: 24

約数和(自身を含む): 49338112

約数和(自身を除く): 20431387

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 12433, 37299, 62165, 186495, 310825, 385423, 932475, 1156269, 1927115, 5781345, 9635575, 28906725]

約数ペア:

[(1, 28906725), (3, 9635575), (5, 5781345), (15, 1927115), (25, 1156269), (31, 932475), (75, 385423), (93, 310825), (155, 186495), (465, 62165), (775, 37299), (2325, 12433)]