2205549

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:458

約数の個数: 20

約数和(自身を含む): 3348796

約数和(自身を除く): 1143247

約数列:

[1, 3, 9, 27, 73, 81, 219, 373, 657, 1119, 1971, 3357, 5913, 10071, 27229, 30213, 81687, 245061, 735183, 2205549]

約数ペア:

[(1, 2205549), (3, 735183), (9, 245061), (27, 81687), (73, 30213), (81, 27229), (219, 10071), (373, 5913), (657, 3357), (1119, 1971)]