199873821

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{69473}}^1$

素因数の和:69620

約数の個数: 16

約数和(自身を含む): 306797184

約数和(自身を除く): 106923363

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 69473, 208419, 486311, 1458933, 9517801, 28553403, 66624607, 199873821]

約数ペア:

[(1, 199873821), (3, 66624607), (7, 28553403), (21, 9517801), (137, 1458933), (411, 486311), (959, 208419), (2877, 69473)]