25514937

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1298

約数の個数: 36

約数和(自身を含む): 43819776

約数和(自身を除く): 18304839

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 1231, 2303, 2961, 3693, 6909, 8617, 11079, 20727, 25851, 57857, 60319, 77553, 173571, 180957, 404999, 520713, 542871, 1214997, 2834993, 3644991, 8504979, 25514937]

約数ペア:

[(1, 25514937), (3, 8504979), (7, 3644991), (9, 2834993), (21, 1214997), (47, 542871), (49, 520713), (63, 404999), (141, 180957), (147, 173571), (329, 77553), (423, 60319), (441, 57857), (987, 25851), (1231, 20727), (2303, 11079), (2961, 8617), (3693, 6909)]