389396665683

素因数分解:

$3^4\times {\mathrm{65951}}^1\times {\mathrm{72893}}^1$

素因数の和:138856

約数の個数: 20

約数和(自身を含む): 581708115648

約数和(自身を除く): 192311449965

約数列:

[1, 3, 9, 27, 81, 65951, 72893, 197853, 218679, 593559, 656037, 1780677, 1968111, 5342031, 5904333, 4807366243, 14422098729, 43266296187, 129798888561, 389396665683]

約数ペア:

[(1, 389396665683), (3, 129798888561), (9, 43266296187), (27, 14422098729), (81, 4807366243), (65951, 5904333), (72893, 5342031), (197853, 1968111), (218679, 1780677), (593559, 656037)]