28839807

素因数分解:

$3^4\times {\mathrm{463}}^1\times {\mathrm{769}}^1$

素因数の和:1244

約数の個数: 20

約数和(自身を含む): 43230880

約数和(自身を除く): 14391073

約数列:

[1, 3, 9, 27, 81, 463, 769, 1389, 2307, 4167, 6921, 12501, 20763, 37503, 62289, 356047, 1068141, 3204423, 9613269, 28839807]

約数ペア:

[(1, 28839807), (3, 9613269), (9, 3204423), (27, 1068141), (81, 356047), (463, 62289), (769, 37503), (1389, 20763), (2307, 12501), (4167, 6921)]