17998029

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12421}}^1$

素因数の和:12457

約数の個数: 24

約数和(自身を含む): 31005312

約数和(自身を除く): 13007283

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12421, 37263, 86947, 111789, 260841, 285683, 782523, 857049, 1999781, 2571147, 5999343, 17998029]

約数ペア:

[(1, 17998029), (3, 5999343), (7, 2571147), (9, 1999781), (21, 857049), (23, 782523), (63, 285683), (69, 260841), (161, 111789), (207, 86947), (483, 37263), (1449, 12421)]