28613475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1051}}^1$

素因数の和:1089

約数の個数: 54

約数和(自身を含む): 56386148

約数和(自身を除く): 27772673

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 165, 225, 275, 363, 495, 605, 825, 1051, 1089, 1815, 2475, 3025, 3153, 5255, 5445, 9075, 9459, 11561, 15765, 26275, 27225, 34683, 47295, 57805, 78825, 104049, 127171, 173415, 236475, 289025, 381513, 520245, 635855, 867075, 1144539, 1907565, 2601225, 3179275, 5722695, 9537825, 28613475]

約数ペア:

[(1, 28613475), (3, 9537825), (5, 5722695), (9, 3179275), (11, 2601225), (15, 1907565), (25, 1144539), (33, 867075), (45, 635855), (55, 520245), (75, 381513), (99, 289025), (121, 236475), (165, 173415), (225, 127171), (275, 104049), (363, 78825), (495, 57805), (605, 47295), (825, 34683), (1051, 27225), (1089, 26275), (1815, 15765), (2475, 11561), (3025, 9459), (3153, 9075), (5255, 5445)]