251143767

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 464755200

約数和(自身を除く): 213611433

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 97, 103, 133, 147, 171, 189, 291, 309, 399, 441, 513, 679, 721, 873, 927, 931, 1197, 1323, 1843, 1957, 2037, 2163, 2619, 2781, 2793, 3591, 4753, 5047, 5529, 5871, 6111, 6489, 8379, 9991, 12901, 13699, 14259, 15141, 16587, 17613, 18333, 19467, 25137, 29973, 38703, 41097, 42777, 45423, 49761, 52839, 69937, 89919, 90307, 95893, 116109, 123291, 128331, 136269, 189829, 209811, 269757, 270921, 287679, 348327, 369873, 489559, 569487, 629433, 812763, 863037, 1328803, 1468677, 1708461, 1888299, 2438289, 2589111, 3986409, 4406031, 5125383, 9301621, 11959227, 13218093, 27904863, 35877681, 83714589, 251143767]

約数ペア:

[(1, 251143767), (3, 83714589), (7, 35877681), (9, 27904863), (19, 13218093), (21, 11959227), (27, 9301621), (49, 5125383), (57, 4406031), (63, 3986409), (97, 2589111), (103, 2438289), (133, 1888299), (147, 1708461), (171, 1468677), (189, 1328803), (291, 863037), (309, 812763), (399, 629433), (441, 569487), (513, 489559), (679, 369873), (721, 348327), (873, 287679), (927, 270921), (931, 269757), (1197, 209811), (1323, 189829), (1843, 136269), (1957, 128331), (2037, 123291), (2163, 116109), (2619, 95893), (2781, 90307), (2793, 89919), (3591, 69937), (4753, 52839), (5047, 49761), (5529, 45423), (5871, 42777), (6111, 41097), (6489, 38703), (8379, 29973), (9991, 25137), (12901, 19467), (13699, 18333), (14259, 17613), (15141, 16587)]