28063665

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 60635520

約数和(自身を除く): 32571855

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 81, 95, 105, 133, 135, 171, 189, 285, 315, 399, 405, 513, 521, 567, 665, 855, 945, 1197, 1539, 1563, 1995, 2565, 2605, 2835, 3591, 3647, 4689, 5985, 7695, 7815, 9899, 10773, 10941, 14067, 17955, 18235, 23445, 29697, 32823, 42201, 49495, 53865, 54705, 69293, 70335, 89091, 98469, 148485, 164115, 207879, 211005, 267273, 295407, 346465, 445455, 492345, 623637, 801819, 1039395, 1336365, 1477035, 1870911, 3118185, 4009095, 5612733, 9354555, 28063665]

約数ペア:

[(1, 28063665), (3, 9354555), (5, 5612733), (7, 4009095), (9, 3118185), (15, 1870911), (19, 1477035), (21, 1336365), (27, 1039395), (35, 801819), (45, 623637), (57, 492345), (63, 445455), (81, 346465), (95, 295407), (105, 267273), (133, 211005), (135, 207879), (171, 164115), (189, 148485), (285, 98469), (315, 89091), (399, 70335), (405, 69293), (513, 54705), (521, 53865), (567, 49495), (665, 42201), (855, 32823), (945, 29697), (1197, 23445), (1539, 18235), (1563, 17955), (1995, 14067), (2565, 10941), (2605, 10773), (2835, 9899), (3591, 7815), (3647, 7695), (4689, 5985)]