489398217

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 836419584

約数和(自身を除く): 347021367

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 103, 201, 231, 307, 309, 469, 721, 737, 921, 1133, 1407, 2149, 2163, 2211, 3377, 3399, 5159, 6447, 6901, 7931, 10131, 15477, 20569, 20703, 23639, 23793, 31621, 48307, 61707, 70917, 75911, 94863, 143983, 144921, 221347, 226259, 227733, 347831, 431949, 531377, 664041, 678777, 1043493, 1583813, 1594131, 2118607, 2434817, 4751439, 6355821, 7304451, 14830249, 23304677, 44490747, 69914031, 163132739, 489398217]

約数ペア:

[(1, 489398217), (3, 163132739), (7, 69914031), (11, 44490747), (21, 23304677), (33, 14830249), (67, 7304451), (77, 6355821), (103, 4751439), (201, 2434817), (231, 2118607), (307, 1594131), (309, 1583813), (469, 1043493), (721, 678777), (737, 664041), (921, 531377), (1133, 431949), (1407, 347831), (2149, 227733), (2163, 226259), (2211, 221347), (3377, 144921), (3399, 143983), (5159, 94863), (6447, 75911), (6901, 70917), (7931, 61707), (10131, 48307), (15477, 31621), (20569, 23793), (20703, 23639)]