2565675

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{181}}^1$

素因数の和:210

約数の個数: 60

約数和(自身を含む): 5461456

約数和(自身を除く): 2895781

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 181, 189, 225, 315, 405, 525, 543, 567, 675, 905, 945, 1267, 1575, 1629, 2025, 2715, 2835, 3801, 4525, 4725, 4887, 6335, 8145, 11403, 13575, 14175, 14661, 19005, 24435, 31675, 34209, 40725, 57015, 73305, 95025, 102627, 122175, 171045, 285075, 366525, 513135, 855225, 2565675]

約数ペア:

[(1, 2565675), (3, 855225), (5, 513135), (7, 366525), (9, 285075), (15, 171045), (21, 122175), (25, 102627), (27, 95025), (35, 73305), (45, 57015), (63, 40725), (75, 34209), (81, 31675), (105, 24435), (135, 19005), (175, 14661), (181, 14175), (189, 13575), (225, 11403), (315, 8145), (405, 6335), (525, 4887), (543, 4725), (567, 4525), (675, 3801), (905, 2835), (945, 2715), (1267, 2025), (1575, 1629)]