28052475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 52020480

約数和(自身を除く): 23968005

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 165, 185, 275, 407, 555, 825, 919, 925, 1221, 2035, 2757, 2775, 4595, 6105, 10109, 10175, 13785, 22975, 30327, 30525, 34003, 50545, 68925, 102009, 151635, 170015, 252725, 374033, 510045, 758175, 850075, 1122099, 1870165, 2550225, 5610495, 9350825, 28052475]

約数ペア:

[(1, 28052475), (3, 9350825), (5, 5610495), (11, 2550225), (15, 1870165), (25, 1122099), (33, 850075), (37, 758175), (55, 510045), (75, 374033), (111, 252725), (165, 170015), (185, 151635), (275, 102009), (407, 68925), (555, 50545), (825, 34003), (919, 30525), (925, 30327), (1221, 22975), (2035, 13785), (2757, 10175), (2775, 10109), (4595, 6105)]