129728319

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131437}}^1$

素因数の和:131494

約数の個数: 16

約数和(自身を含む): 201888768

約数和(自身を除く): 72160449

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 131437, 394311, 920059, 2760177, 6177539, 18532617, 43242773, 129728319]

約数ペア:

[(1, 129728319), (3, 43242773), (7, 18532617), (21, 6177539), (47, 2760177), (141, 920059), (329, 394311), (987, 131437)]