208118835

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 390620160

約数和(自身を除く): 182501325

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 97, 115, 135, 207, 291, 345, 485, 621, 691, 873, 1035, 1455, 2073, 2231, 2619, 3105, 3455, 4365, 6219, 6693, 10365, 11155, 13095, 15893, 18657, 20079, 31095, 33465, 47679, 60237, 67027, 79465, 93285, 100395, 143037, 201081, 238395, 301185, 335135, 429111, 603243, 715185, 1005405, 1541621, 1809729, 2145555, 3016215, 4624863, 7708105, 9048645, 13874589, 23124315, 41623767, 69372945, 208118835]

約数ペア:

[(1, 208118835), (3, 69372945), (5, 41623767), (9, 23124315), (15, 13874589), (23, 9048645), (27, 7708105), (45, 4624863), (69, 3016215), (97, 2145555), (115, 1809729), (135, 1541621), (207, 1005405), (291, 715185), (345, 603243), (485, 429111), (621, 335135), (691, 301185), (873, 238395), (1035, 201081), (1455, 143037), (2073, 100395), (2231, 93285), (2619, 79465), (3105, 67027), (3455, 60237), (4365, 47679), (6219, 33465), (6693, 31095), (10365, 20079), (11155, 18657), (13095, 15893)]