210701817

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{7369}}^1$

素因数の和:7734

約数の個数: 20

約数和(自身を含む): 315686580

約数和(自身を除く): 104984763

約数列:

[1, 3, 9, 27, 81, 353, 1059, 3177, 7369, 9531, 22107, 28593, 66321, 198963, 596889, 2601257, 7803771, 23411313, 70233939, 210701817]

約数ペア:

[(1, 210701817), (3, 70233939), (9, 23411313), (27, 7803771), (81, 2601257), (353, 596889), (1059, 198963), (3177, 66321), (7369, 28593), (9531, 22107)]