207640821

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{14221}}^1$

素因数の和:14412

約数の個数: 16

約数和(自身を含む): 287625728

約数和(自身を除く): 79984907

約数列:

[1, 3, 31, 93, 157, 471, 4867, 14221, 14601, 42663, 440851, 1322553, 2232697, 6698091, 69213607, 207640821]

約数ペア:

[(1, 207640821), (3, 69213607), (31, 6698091), (93, 2232697), (157, 1322553), (471, 440851), (4867, 42663), (14221, 14601)]