27908265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 56604672

約数和(自身を除く): 28696407

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 73, 77, 105, 165, 219, 231, 331, 365, 385, 511, 803, 993, 1095, 1155, 1533, 1655, 2317, 2409, 2555, 3641, 4015, 4965, 5621, 6951, 7665, 10923, 11585, 12045, 16863, 18205, 24163, 25487, 28105, 34755, 54615, 72489, 76461, 84315, 120815, 127435, 169141, 265793, 362445, 382305, 507423, 797379, 845705, 1328965, 1860551, 2537115, 3986895, 5581653, 9302755, 27908265]

約数ペア:

[(1, 27908265), (3, 9302755), (5, 5581653), (7, 3986895), (11, 2537115), (15, 1860551), (21, 1328965), (33, 845705), (35, 797379), (55, 507423), (73, 382305), (77, 362445), (105, 265793), (165, 169141), (219, 127435), (231, 120815), (331, 84315), (365, 76461), (385, 72489), (511, 54615), (803, 34755), (993, 28105), (1095, 25487), (1155, 24163), (1533, 18205), (1655, 16863), (2317, 12045), (2409, 11585), (2555, 10923), (3641, 7665), (4015, 6951), (4965, 5621)]