720173439

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{17029}}^1$

素因数の和:17199

約数の個数: 24

約数和(自身を含む): 1076840960

約数和(自身を除く): 356667521

約数列:

[1, 3, 9, 37, 111, 127, 333, 381, 1143, 4699, 14097, 17029, 42291, 51087, 153261, 630073, 1890219, 2162683, 5670657, 6488049, 19464147, 80019271, 240057813, 720173439]

約数ペア:

[(1, 720173439), (3, 240057813), (9, 80019271), (37, 19464147), (111, 6488049), (127, 5670657), (333, 2162683), (381, 1890219), (1143, 630073), (4699, 153261), (14097, 51087), (17029, 42291)]