1255815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 2471040

約数和(自身を除く): 1215225

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 59, 99, 129, 165, 177, 215, 295, 387, 473, 495, 531, 645, 649, 885, 1419, 1935, 1947, 2365, 2537, 2655, 3245, 4257, 5841, 7095, 7611, 9735, 12685, 21285, 22833, 27907, 29205, 38055, 83721, 114165, 139535, 251163, 418605, 1255815]

約数ペア:

[(1, 1255815), (3, 418605), (5, 251163), (9, 139535), (11, 114165), (15, 83721), (33, 38055), (43, 29205), (45, 27907), (55, 22833), (59, 21285), (99, 12685), (129, 9735), (165, 7611), (177, 7095), (215, 5841), (295, 4257), (387, 3245), (473, 2655), (495, 2537), (531, 2365), (645, 1947), (649, 1935), (885, 1419)]