28606725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 60121152

約数和(自身を除く): 31514427

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 41, 45, 63, 75, 105, 123, 175, 205, 225, 287, 315, 369, 443, 525, 615, 861, 1025, 1329, 1435, 1575, 1845, 2215, 2583, 3075, 3101, 3987, 4305, 6645, 7175, 9225, 9303, 11075, 12915, 15505, 18163, 19935, 21525, 27909, 33225, 46515, 54489, 64575, 77525, 90815, 99675, 127141, 139545, 163467, 232575, 272445, 381423, 454075, 635705, 697725, 817335, 1144269, 1362225, 1907115, 3178525, 4086675, 5721345, 9535575, 28606725]

約数ペア:

[(1, 28606725), (3, 9535575), (5, 5721345), (7, 4086675), (9, 3178525), (15, 1907115), (21, 1362225), (25, 1144269), (35, 817335), (41, 697725), (45, 635705), (63, 454075), (75, 381423), (105, 272445), (123, 232575), (175, 163467), (205, 139545), (225, 127141), (287, 99675), (315, 90815), (369, 77525), (443, 64575), (525, 54489), (615, 46515), (861, 33225), (1025, 27909), (1329, 21525), (1435, 19935), (1575, 18163), (1845, 15505), (2215, 12915), (2583, 11075), (3075, 9303), (3101, 9225), (3987, 7175), (4305, 6645)]