28209141

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{4003}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 43723680

約数和(自身を除く): 15514539

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 4003, 7047, 12009, 36027, 108081, 116087, 324243, 348261, 972729, 1044783, 3134349, 9403047, 28209141]

約数ペア:

[(1, 28209141), (3, 9403047), (9, 3134349), (27, 1044783), (29, 972729), (81, 348261), (87, 324243), (243, 116087), (261, 108081), (783, 36027), (2349, 12009), (4003, 7047)]