61854121

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 74813640

約数和(自身を除く): 12959519

約数列:

[1, 7, 37, 49, 109, 259, 313, 763, 1813, 2191, 4033, 5341, 11581, 15337, 28231, 34117, 81067, 197617, 238819, 567469, 1262329, 1671733, 8836303, 61854121]

約数ペア:

[(1, 61854121), (7, 8836303), (37, 1671733), (49, 1262329), (109, 567469), (259, 238819), (313, 197617), (763, 81067), (1813, 34117), (2191, 28231), (4033, 15337), (5341, 11581)]