16818249

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 27458560

約数和(自身を除く): 10640311

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 691, 1159, 1281, 2073, 3477, 4837, 8113, 13129, 14511, 24339, 39387, 42151, 91903, 126453, 275709, 295057, 800869, 885171, 2402607, 5606083, 16818249]

約数ペア:

[(1, 16818249), (3, 5606083), (7, 2402607), (19, 885171), (21, 800869), (57, 295057), (61, 275709), (133, 126453), (183, 91903), (399, 42151), (427, 39387), (691, 24339), (1159, 14511), (1281, 13129), (2073, 8113), (3477, 4837)]