28970217

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{4111}}^1$

素因数の和:4155

約数の個数: 24

約数和(自身を含む): 44903040

約数和(自身を除く): 15932823

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 4111, 7047, 12333, 36999, 110997, 119219, 332991, 357657, 998973, 1072971, 3218913, 9656739, 28970217]

約数ペア:

[(1, 28970217), (3, 9656739), (9, 3218913), (27, 1072971), (29, 998973), (81, 357657), (87, 332991), (243, 119219), (261, 110997), (783, 36999), (2349, 12333), (4111, 7047)]