257895099

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{661}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 465963264

約数和(自身を除く): 208068165

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 563, 661, 693, 1689, 1983, 3941, 4627, 5067, 5949, 6193, 7271, 11823, 13881, 18579, 21813, 35469, 41643, 43351, 50897, 55737, 65439, 130053, 152691, 372143, 390159, 458073, 1116429, 2605001, 3349287, 4093573, 7815003, 12280719, 23445009, 28655011, 36842157, 85965033, 257895099]

約数ペア:

[(1, 257895099), (3, 85965033), (7, 36842157), (9, 28655011), (11, 23445009), (21, 12280719), (33, 7815003), (63, 4093573), (77, 3349287), (99, 2605001), (231, 1116429), (563, 458073), (661, 390159), (693, 372143), (1689, 152691), (1983, 130053), (3941, 65439), (4627, 55737), (5067, 50897), (5949, 43351), (6193, 41643), (7271, 35469), (11823, 21813), (13881, 18579)]