2103255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 4552704

約数和(自身を除く): 2449449

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 607, 693, 1155, 1821, 3035, 3465, 4249, 5463, 6677, 9105, 12747, 20031, 21245, 27315, 33385, 38241, 46739, 60093, 63735, 100155, 140217, 191205, 233695, 300465, 420651, 701085, 2103255]

約数ペア:

[(1, 2103255), (3, 701085), (5, 420651), (7, 300465), (9, 233695), (11, 191205), (15, 140217), (21, 100155), (33, 63735), (35, 60093), (45, 46739), (55, 38241), (63, 33385), (77, 27315), (99, 21245), (105, 20031), (165, 12747), (231, 9105), (315, 6677), (385, 5463), (495, 4249), (607, 3465), (693, 3035), (1155, 1821)]