17180289

素因数分解:

$3^3\times 7^1\times {\mathrm{90901}}^1$

素因数の和:90917

約数の個数: 16

約数和(自身を含む): 29088640

約数和(自身を除く): 11908351

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 90901, 272703, 636307, 818109, 1908921, 2454327, 5726763, 17180289]

約数ペア:

[(1, 17180289), (3, 5726763), (7, 2454327), (9, 1908921), (21, 818109), (27, 636307), (63, 272703), (189, 90901)]