666039891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{1009}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 985501440

約数和(自身を除く): 319461549

約数列:

[1, 3, 11, 33, 83, 241, 249, 723, 913, 1009, 2651, 2739, 3027, 7953, 11099, 20003, 33297, 60009, 83747, 220033, 243169, 251241, 660099, 729507, 921217, 2674859, 2763651, 8024577, 20183027, 60549081, 222013297, 666039891]

約数ペア:

[(1, 666039891), (3, 222013297), (11, 60549081), (33, 20183027), (83, 8024577), (241, 2763651), (249, 2674859), (723, 921217), (913, 729507), (1009, 660099), (2651, 251241), (2739, 243169), (3027, 220033), (7953, 83747), (11099, 60009), (20003, 33297)]