31912179

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 49029120

約数和(自身を除く): 17116941

約数列:

[1, 3, 13, 17, 39, 51, 127, 221, 379, 381, 663, 1137, 1651, 2159, 4927, 4953, 6443, 6477, 14781, 19329, 28067, 48133, 83759, 84201, 144399, 251277, 625729, 818261, 1877187, 2454783, 10637393, 31912179]

約数ペア:

[(1, 31912179), (3, 10637393), (13, 2454783), (17, 1877187), (39, 818261), (51, 625729), (127, 251277), (221, 144399), (379, 84201), (381, 83759), (663, 48133), (1137, 28067), (1651, 19329), (2159, 14781), (4927, 6477), (4953, 6443)]