1821105

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 3721536

約数和(自身を除く): 1900431

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 283, 429, 495, 585, 715, 849, 1287, 1415, 2145, 2547, 3113, 3679, 4245, 6435, 9339, 11037, 12735, 15565, 18395, 28017, 33111, 40469, 46695, 55185, 121407, 140085, 165555, 202345, 364221, 607035, 1821105]

約数ペア:

[(1, 1821105), (3, 607035), (5, 364221), (9, 202345), (11, 165555), (13, 140085), (15, 121407), (33, 55185), (39, 46695), (45, 40469), (55, 33111), (65, 28017), (99, 18395), (117, 15565), (143, 12735), (165, 11037), (195, 9339), (283, 6435), (429, 4245), (495, 3679), (585, 3113), (715, 2547), (849, 2145), (1287, 1415)]