129951381

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{2687}}^1$

素因数の和:2758

約数の個数: 32

約数和(自身を含む): 206438400

約数和(自身を除く): 76487019

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 2303, 2687, 6909, 8061, 16121, 18809, 48363, 56427, 126289, 131663, 378867, 394989, 884023, 921641, 2652069, 2764923, 6188161, 18564483, 43317127, 129951381]

約数ペア:

[(1, 129951381), (3, 43317127), (7, 18564483), (21, 6188161), (47, 2764923), (49, 2652069), (141, 921641), (147, 884023), (329, 394989), (343, 378867), (987, 131663), (1029, 126289), (2303, 56427), (2687, 48363), (6909, 18809), (8061, 16121)]