8171289

素因数分解:

$3^2\times 7^3\times {\mathrm{2647}}^1$

素因数の和:2674

約数の個数: 24

約数和(自身を含む): 13769600

約数和(自身を除く): 5598311

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2647, 3087, 7941, 18529, 23823, 55587, 129703, 166761, 389109, 907921, 1167327, 2723763, 8171289]

約数ペア:

[(1, 8171289), (3, 2723763), (7, 1167327), (9, 907921), (21, 389109), (49, 166761), (63, 129703), (147, 55587), (343, 23823), (441, 18529), (1029, 7941), (2647, 3087)]