268520259

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{1381}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 420304896

約数和(自身を除く): 151784637

約数列:

[1, 3, 7, 21, 47, 141, 197, 329, 591, 987, 1379, 1381, 4137, 4143, 9259, 9667, 27777, 29001, 64813, 64907, 194439, 194721, 272057, 454349, 816171, 1363047, 1904399, 5713197, 12786679, 38360037, 89506753, 268520259]

約数ペア:

[(1, 268520259), (3, 89506753), (7, 38360037), (21, 12786679), (47, 5713197), (141, 1904399), (197, 1363047), (329, 816171), (591, 454349), (987, 272057), (1379, 194721), (1381, 194439), (4137, 64907), (4143, 64813), (9259, 29001), (9667, 27777)]