16661499

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 8221701

約数列:

[1, 3, 19, 23, 57, 69, 71, 179, 213, 437, 537, 1311, 1349, 1633, 3401, 4047, 4117, 4899, 10203, 12351, 12709, 31027, 38127, 78223, 93081, 234669, 241471, 292307, 724413, 876921, 5553833, 16661499]

約数ペア:

[(1, 16661499), (3, 5553833), (19, 876921), (23, 724413), (57, 292307), (69, 241471), (71, 234669), (179, 93081), (213, 78223), (437, 38127), (537, 31027), (1311, 12709), (1349, 12351), (1633, 10203), (3401, 4899), (4047, 4117)]