2890755

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 96

約数和(自身を含む): 6566400

約数和(自身を除く): 3675645

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 23, 27, 35, 45, 49, 57, 63, 69, 95, 105, 115, 133, 135, 147, 161, 171, 189, 207, 245, 285, 315, 345, 399, 437, 441, 483, 513, 621, 665, 735, 805, 855, 931, 945, 1035, 1127, 1197, 1311, 1323, 1449, 1995, 2185, 2205, 2415, 2565, 2793, 3059, 3105, 3381, 3591, 3933, 4347, 4655, 5635, 5985, 6555, 6615, 7245, 8379, 9177, 10143, 11799, 13965, 15295, 16905, 17955, 19665, 21413, 21735, 25137, 27531, 30429, 41895, 45885, 50715, 58995, 64239, 82593, 107065, 125685, 137655, 152145, 192717, 321195, 412965, 578151, 963585, 2890755]

約数ペア:

[(1, 2890755), (3, 963585), (5, 578151), (7, 412965), (9, 321195), (15, 192717), (19, 152145), (21, 137655), (23, 125685), (27, 107065), (35, 82593), (45, 64239), (49, 58995), (57, 50715), (63, 45885), (69, 41895), (95, 30429), (105, 27531), (115, 25137), (133, 21735), (135, 21413), (147, 19665), (161, 17955), (171, 16905), (189, 15295), (207, 13965), (245, 11799), (285, 10143), (315, 9177), (345, 8379), (399, 7245), (437, 6615), (441, 6555), (483, 5985), (513, 5635), (621, 4655), (665, 4347), (735, 3933), (805, 3591), (855, 3381), (931, 3105), (945, 3059), (1035, 2793), (1127, 2565), (1197, 2415), (1311, 2205), (1323, 2185), (1449, 1995)]