205321809

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 376911360

約数和(自身を除く): 171589551

約数列:

[1, 3, 7, 11, 19, 21, 33, 41, 49, 57, 77, 123, 133, 147, 163, 209, 231, 287, 399, 451, 489, 539, 627, 779, 861, 931, 1141, 1353, 1463, 1617, 1793, 2009, 2337, 2793, 3097, 3157, 3423, 4389, 5379, 5453, 6027, 6683, 7987, 8569, 9291, 9471, 10241, 12551, 16359, 20049, 21679, 22099, 23961, 25707, 30723, 34067, 37653, 38171, 46781, 59983, 65037, 66297, 73513, 87857, 102201, 114513, 126977, 140343, 151753, 179949, 220539, 238469, 263571, 327467, 380931, 419881, 455259, 514591, 715407, 888839, 982401, 1259643, 1396747, 1543773, 1669283, 2666517, 3602137, 4190241, 5007849, 6221873, 9777229, 10806411, 18665619, 29331687, 68440603, 205321809]

約数ペア:

[(1, 205321809), (3, 68440603), (7, 29331687), (11, 18665619), (19, 10806411), (21, 9777229), (33, 6221873), (41, 5007849), (49, 4190241), (57, 3602137), (77, 2666517), (123, 1669283), (133, 1543773), (147, 1396747), (163, 1259643), (209, 982401), (231, 888839), (287, 715407), (399, 514591), (451, 455259), (489, 419881), (539, 380931), (627, 327467), (779, 263571), (861, 238469), (931, 220539), (1141, 179949), (1353, 151753), (1463, 140343), (1617, 126977), (1793, 114513), (2009, 102201), (2337, 87857), (2793, 73513), (3097, 66297), (3157, 65037), (3423, 59983), (4389, 46781), (5379, 38171), (5453, 37653), (6027, 34067), (6683, 30723), (7987, 25707), (8569, 23961), (9291, 22099), (9471, 21679), (10241, 20049), (12551, 16359)]