18227421

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 27316224

約数和(自身を除く): 9088803

約数列:

[1, 3, 9, 37, 111, 127, 333, 381, 431, 1143, 1293, 3879, 4699, 14097, 15947, 42291, 47841, 54737, 143523, 164211, 492633, 2025269, 6075807, 18227421]

約数ペア:

[(1, 18227421), (3, 6075807), (9, 2025269), (37, 492633), (111, 164211), (127, 143523), (333, 54737), (381, 47841), (431, 42291), (1143, 15947), (1293, 14097), (3879, 4699)]