2687265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 5616000

約数和(自身を除く): 2928735

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 449, 665, 855, 1197, 1347, 1995, 2245, 3143, 4041, 5985, 6735, 8531, 9429, 15715, 20205, 25593, 28287, 42655, 47145, 59717, 76779, 127965, 141435, 179151, 298585, 383895, 537453, 895755, 2687265]

約数ペア:

[(1, 2687265), (3, 895755), (5, 537453), (7, 383895), (9, 298585), (15, 179151), (19, 141435), (21, 127965), (35, 76779), (45, 59717), (57, 47145), (63, 42655), (95, 28287), (105, 25593), (133, 20205), (171, 15715), (285, 9429), (315, 8531), (399, 6735), (449, 5985), (665, 4041), (855, 3143), (1197, 2245), (1347, 1995)]