2069872749

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{247031}}^1$

素因数の和:247070

約数の個数: 36

約数和(自身を含む): 3661014240

約数和(自身を除く): 1591141491

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 247031, 741093, 1729217, 2223279, 4693589, 5187651, 12104519, 14080767, 15562953, 32855123, 36313557, 42242301, 98565369, 108940671, 229985861, 295696107, 689957583, 2069872749]

約数ペア:

[(1, 2069872749), (3, 689957583), (7, 295696107), (9, 229985861), (19, 108940671), (21, 98565369), (49, 42242301), (57, 36313557), (63, 32855123), (133, 15562953), (147, 14080767), (171, 12104519), (399, 5187651), (441, 4693589), (931, 2223279), (1197, 1729217), (2793, 741093), (8379, 247031)]