28572225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 23924415

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 59, 75, 165, 177, 275, 295, 587, 649, 825, 885, 1475, 1761, 1947, 2935, 3245, 4425, 6457, 8805, 9735, 14675, 16225, 19371, 32285, 34633, 44025, 48675, 96855, 103899, 161425, 173165, 380963, 484275, 519495, 865825, 1142889, 1904815, 2597475, 5714445, 9524075, 28572225]

約数ペア:

[(1, 28572225), (3, 9524075), (5, 5714445), (11, 2597475), (15, 1904815), (25, 1142889), (33, 865825), (55, 519495), (59, 484275), (75, 380963), (165, 173165), (177, 161425), (275, 103899), (295, 96855), (587, 48675), (649, 44025), (825, 34633), (885, 32285), (1475, 19371), (1761, 16225), (1947, 14675), (2935, 9735), (3245, 8805), (4425, 6457)]