27879795

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 54153792

約数和(自身を除く): 26273997

約数列:

[1, 3, 5, 9, 15, 23, 27, 41, 45, 69, 73, 81, 115, 123, 135, 205, 207, 219, 345, 365, 369, 405, 615, 621, 657, 943, 1035, 1095, 1107, 1679, 1845, 1863, 1971, 2829, 2993, 3105, 3285, 3321, 4715, 5037, 5535, 5913, 8395, 8487, 8979, 9315, 9855, 14145, 14965, 15111, 16605, 25185, 25461, 26937, 29565, 42435, 44895, 45333, 68839, 75555, 76383, 80811, 127305, 134685, 135999, 206517, 226665, 242433, 344195, 381915, 404055, 619551, 679995, 1032585, 1212165, 1858653, 3097755, 5575959, 9293265, 27879795]

約数ペア:

[(1, 27879795), (3, 9293265), (5, 5575959), (9, 3097755), (15, 1858653), (23, 1212165), (27, 1032585), (41, 679995), (45, 619551), (69, 404055), (73, 381915), (81, 344195), (115, 242433), (123, 226665), (135, 206517), (205, 135999), (207, 134685), (219, 127305), (345, 80811), (365, 76383), (369, 75555), (405, 68839), (615, 45333), (621, 44895), (657, 42435), (943, 29565), (1035, 26937), (1095, 25461), (1107, 25185), (1679, 16605), (1845, 15111), (1863, 14965), (1971, 14145), (2829, 9855), (2993, 9315), (3105, 8979), (3285, 8487), (3321, 8395), (4715, 5913), (5037, 5535)]