388440087

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{133073}}^1$

素因数の和:133222

約数の個数: 16

約数和(自身を含む): 596171520

約数和(自身を除く): 207731433

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 133073, 399219, 931511, 2794533, 18497147, 55491441, 129480029, 388440087]

約数ペア:

[(1, 388440087), (3, 129480029), (7, 55491441), (21, 18497147), (139, 2794533), (417, 931511), (973, 399219), (2919, 133073)]