200620413

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 342650880

約数和(自身を除く): 142030467

約数列:

[1, 3, 7, 9, 21, 43, 63, 103, 129, 301, 309, 387, 719, 721, 903, 927, 2157, 2163, 2709, 4429, 5033, 6471, 6489, 13287, 15099, 30917, 31003, 39861, 45297, 74057, 92751, 93009, 216419, 222171, 278253, 279027, 518399, 649257, 666513, 1555197, 1947771, 3184451, 4665591, 9553353, 22291157, 28660059, 66873471, 200620413]

約数ペア:

[(1, 200620413), (3, 66873471), (7, 28660059), (9, 22291157), (21, 9553353), (43, 4665591), (63, 3184451), (103, 1947771), (129, 1555197), (301, 666513), (309, 649257), (387, 518399), (719, 279027), (721, 278253), (903, 222171), (927, 216419), (2157, 93009), (2163, 92751), (2709, 74057), (4429, 45297), (5033, 39861), (6471, 31003), (6489, 30917), (13287, 15099)]