28973457

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 46809576

約数和(自身を除く): 17836119

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 153, 159, 397, 459, 477, 901, 1191, 1377, 1431, 2703, 3573, 4293, 6749, 8109, 10719, 20247, 21041, 24327, 32157, 60741, 63123, 72981, 182223, 189369, 357697, 546669, 568107, 1073091, 1704321, 3219273, 9657819, 28973457]

約数ペア:

[(1, 28973457), (3, 9657819), (9, 3219273), (17, 1704321), (27, 1073091), (51, 568107), (53, 546669), (81, 357697), (153, 189369), (159, 182223), (397, 72981), (459, 63123), (477, 60741), (901, 32157), (1191, 24327), (1377, 21041), (1431, 20247), (2703, 10719), (3573, 8109), (4293, 6749)]