31543121493

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1787}}^1\times {\mathrm{16763}}^1$

素因数の和:18575

約数の個数: 40

約数和(自身を含む): 50776010208

約数和(自身を除く): 19232888715

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1787, 5361, 16083, 16763, 23231, 48249, 50289, 69693, 144747, 150867, 209079, 217919, 452601, 627237, 653757, 1357803, 1881711, 1961271, 5883813, 17651439, 29955481, 89866443, 269599329, 389421253, 808797987, 1168263759, 2426393961, 3504791277, 10514373831, 31543121493]

約数ペア:

[(1, 31543121493), (3, 10514373831), (9, 3504791277), (13, 2426393961), (27, 1168263759), (39, 808797987), (81, 389421253), (117, 269599329), (351, 89866443), (1053, 29955481), (1787, 17651439), (5361, 5883813), (16083, 1961271), (16763, 1881711), (23231, 1357803), (48249, 653757), (50289, 627237), (69693, 452601), (144747, 217919), (150867, 209079)]