208700541

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2318

約数の個数: 48

約数和(自身を含む): 367411200

約数和(自身を除く): 158710659

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 79, 133, 171, 237, 399, 553, 711, 1197, 1501, 1659, 2207, 4503, 4977, 6621, 10507, 13509, 15449, 19863, 31521, 41933, 46347, 94563, 125799, 139041, 174353, 293531, 377397, 523059, 880593, 1220471, 1569177, 2641779, 3312707, 3661413, 9938121, 10984239, 23188949, 29814363, 69566847, 208700541]

約数ペア:

[(1, 208700541), (3, 69566847), (7, 29814363), (9, 23188949), (19, 10984239), (21, 9938121), (57, 3661413), (63, 3312707), (79, 2641779), (133, 1569177), (171, 1220471), (237, 880593), (399, 523059), (553, 377397), (711, 293531), (1197, 174353), (1501, 139041), (1659, 125799), (2207, 94563), (4503, 46347), (4977, 41933), (6621, 31521), (10507, 19863), (13509, 15449)]