2021084025

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{4289}}^1$

素因数の和:4466

約数の個数: 48

約数和(自身を含む): 3430078080

約数和(自身を除く): 1408994055

約数列:

[1, 3, 5, 15, 25, 61, 75, 103, 183, 305, 309, 515, 915, 1525, 1545, 2575, 4289, 4575, 6283, 7725, 12867, 18849, 21445, 31415, 64335, 94245, 107225, 157075, 261629, 321675, 441767, 471225, 784887, 1308145, 1325301, 2208835, 3924435, 6540725, 6626505, 11044175, 19622175, 26947787, 33132525, 80843361, 134738935, 404216805, 673694675, 2021084025]

約数ペア:

[(1, 2021084025), (3, 673694675), (5, 404216805), (15, 134738935), (25, 80843361), (61, 33132525), (75, 26947787), (103, 19622175), (183, 11044175), (305, 6626505), (309, 6540725), (515, 3924435), (915, 2208835), (1525, 1325301), (1545, 1308145), (2575, 784887), (4289, 471225), (4575, 441767), (6283, 321675), (7725, 261629), (12867, 157075), (18849, 107225), (21445, 94245), (31415, 64335)]