207777009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{16103}}^1$

素因数の和:16157

約数の個数: 32

約数和(自身を含む): 333932544

約数和(自身を除く): 126155535

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 4301, 12903, 16103, 48309, 177133, 273751, 370369, 531399, 821253, 1111107, 3011261, 4074059, 6296273, 9033783, 12222177, 18888819, 69259003, 207777009]

約数ペア:

[(1, 207777009), (3, 69259003), (11, 18888819), (17, 12222177), (23, 9033783), (33, 6296273), (51, 4074059), (69, 3011261), (187, 1111107), (253, 821253), (391, 531399), (561, 370369), (759, 273751), (1173, 177133), (4301, 48309), (12903, 16103)]