16855371

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{16007}}^1$

素因数の和:16032

約数の個数: 20

約数和(自身を含む): 27117552

約数和(自身を除く): 10262181

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 16007, 48021, 144063, 208091, 432189, 624273, 1296567, 1872819, 5618457, 16855371]

約数ペア:

[(1, 16855371), (3, 5618457), (9, 1872819), (13, 1296567), (27, 624273), (39, 432189), (81, 208091), (117, 144063), (351, 48021), (1053, 16007)]