28520037

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 22847643

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 97, 117, 273, 291, 359, 679, 819, 873, 1077, 1261, 2037, 2513, 3231, 3783, 4667, 6111, 7539, 8827, 11349, 14001, 22617, 26481, 32669, 34823, 42003, 79443, 98007, 104469, 243761, 294021, 313407, 452699, 731283, 1358097, 2193849, 3168893, 4074291, 9506679, 28520037]

約数ペア:

[(1, 28520037), (3, 9506679), (7, 4074291), (9, 3168893), (13, 2193849), (21, 1358097), (39, 731283), (63, 452699), (91, 313407), (97, 294021), (117, 243761), (273, 104469), (291, 98007), (359, 79443), (679, 42003), (819, 34823), (873, 32669), (1077, 26481), (1261, 22617), (2037, 14001), (2513, 11349), (3231, 8827), (3783, 7539), (4667, 6111)]