28601925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 53038272

約数和(自身を除く): 24436347

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 165, 185, 275, 407, 555, 825, 925, 937, 1221, 2035, 2775, 2811, 4685, 6105, 10175, 10307, 14055, 23425, 30525, 30921, 34669, 51535, 70275, 104007, 154605, 173345, 257675, 381359, 520035, 773025, 866725, 1144077, 1906795, 2600175, 5720385, 9533975, 28601925]

約数ペア:

[(1, 28601925), (3, 9533975), (5, 5720385), (11, 2600175), (15, 1906795), (25, 1144077), (33, 866725), (37, 773025), (55, 520035), (75, 381359), (111, 257675), (165, 173345), (185, 154605), (275, 104007), (407, 70275), (555, 51535), (825, 34669), (925, 30921), (937, 30525), (1221, 23425), (2035, 14055), (2775, 10307), (2811, 10175), (4685, 6105)]