28355745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 52859520

約数和(自身を除く): 24503775

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 561, 605, 919, 935, 1815, 2057, 2757, 2805, 4595, 6171, 10109, 10285, 13785, 15623, 30327, 30855, 46869, 50545, 78115, 111199, 151635, 171853, 234345, 333597, 515559, 555995, 859265, 1667985, 1890383, 2577795, 5671149, 9451915, 28355745]

約数ペア:

[(1, 28355745), (3, 9451915), (5, 5671149), (11, 2577795), (15, 1890383), (17, 1667985), (33, 859265), (51, 555995), (55, 515559), (85, 333597), (121, 234345), (165, 171853), (187, 151635), (255, 111199), (363, 78115), (561, 50545), (605, 46869), (919, 30855), (935, 30327), (1815, 15623), (2057, 13785), (2757, 10285), (2805, 10109), (4595, 6171)]