123757557

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 214824960

約数和(自身を除く): 91067403

約数列:

[1, 3, 7, 11, 21, 33, 41, 73, 77, 123, 179, 219, 231, 287, 451, 511, 537, 803, 861, 1253, 1353, 1533, 1969, 2409, 2993, 3157, 3759, 5621, 5907, 7339, 8979, 9471, 13067, 13783, 16863, 20951, 22017, 32923, 39201, 41349, 51373, 62853, 80729, 91469, 98769, 143737, 154119, 230461, 242187, 274407, 431211, 535747, 565103, 691383, 1006159, 1607241, 1695309, 3018477, 3750229, 5893217, 11250687, 17679651, 41252519, 123757557]

約数ペア:

[(1, 123757557), (3, 41252519), (7, 17679651), (11, 11250687), (21, 5893217), (33, 3750229), (41, 3018477), (73, 1695309), (77, 1607241), (123, 1006159), (179, 691383), (219, 565103), (231, 535747), (287, 431211), (451, 274407), (511, 242187), (537, 230461), (803, 154119), (861, 143737), (1253, 98769), (1353, 91469), (1533, 80729), (1969, 62853), (2409, 51373), (2993, 41349), (3157, 39201), (3759, 32923), (5621, 22017), (5907, 20951), (7339, 16863), (8979, 13783), (9471, 13067)]