209507709

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{2879}}^1$

素因数の和:3200

約数の個数: 16

約数和(自身を含む): 283115520

約数和(自身を除く): 73607811

約数列:

[1, 3, 127, 191, 381, 573, 2879, 8637, 24257, 72771, 365633, 549889, 1096899, 1649667, 69835903, 209507709]

約数ペア:

[(1, 209507709), (3, 69835903), (127, 1649667), (191, 1096899), (381, 549889), (573, 365633), (2879, 72771), (8637, 24257)]