255416301

素因数分解:

$3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{6791}}^1$

素因数の和:7006

約数の個数: 32

約数和(自身を含む): 434688000

約数和(自身を除く): 179271699

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 199, 597, 1393, 1791, 4179, 5373, 6791, 12537, 20373, 37611, 47537, 61119, 142611, 183357, 427833, 1283499, 1351409, 4054227, 9459863, 12162681, 28379589, 36488043, 85138767, 255416301]

約数ペア:

[(1, 255416301), (3, 85138767), (7, 36488043), (9, 28379589), (21, 12162681), (27, 9459863), (63, 4054227), (189, 1351409), (199, 1283499), (597, 427833), (1393, 183357), (1791, 142611), (4179, 61119), (5373, 47537), (6791, 37611), (12537, 20373)]