28581741

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{1373}}^1$

素因数の和:1642

約数の個数: 20

約数和(自身を含む): 42893532

約数和(自身を除く): 14311791

約数列:

[1, 3, 9, 27, 81, 257, 771, 1373, 2313, 4119, 6939, 12357, 20817, 37071, 111213, 352861, 1058583, 3175749, 9527247, 28581741]

約数ペア:

[(1, 28581741), (3, 9527247), (9, 3175749), (27, 1058583), (81, 352861), (257, 111213), (771, 37071), (1373, 20817), (2313, 12357), (4119, 6939)]