87400053

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 143299520

約数和(自身を除く): 55899467

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 219, 243, 351, 379, 657, 949, 1053, 1137, 1971, 2847, 3159, 3411, 4927, 5913, 8541, 10233, 14781, 17739, 25623, 27667, 30699, 44343, 76869, 83001, 92097, 133029, 230607, 249003, 359671, 399087, 747009, 1079013, 1197261, 2241027, 3237039, 6723081, 9711117, 29133351, 87400053]

約数ペア:

[(1, 87400053), (3, 29133351), (9, 9711117), (13, 6723081), (27, 3237039), (39, 2241027), (73, 1197261), (81, 1079013), (117, 747009), (219, 399087), (243, 359671), (351, 249003), (379, 230607), (657, 133029), (949, 92097), (1053, 83001), (1137, 76869), (1971, 44343), (2847, 30699), (3159, 27667), (3411, 25623), (4927, 17739), (5913, 14781), (8541, 10233)]