17278947

素因数分解:

$3^3\times 7^1\times {\mathrm{91423}}^1$

素因数の和:91439

約数の個数: 16

約数和(自身を含む): 29255680

約数和(自身を除く): 11976733

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 91423, 274269, 639961, 822807, 1919883, 2468421, 5759649, 17278947]

約数ペア:

[(1, 17278947), (3, 5759649), (7, 2468421), (9, 1919883), (21, 822807), (27, 639961), (63, 274269), (189, 91423)]