40808781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6581}}^1$

素因数の和:6653

約数の個数: 24

約数和(自身を含む): 64687896

約数和(自身を除く): 23879115

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 6201, 6581, 19743, 59229, 85553, 256659, 348793, 769977, 1046379, 3139137, 4534309, 13602927, 40808781]

約数ペア:

[(1, 40808781), (3, 13602927), (9, 4534309), (13, 3139137), (39, 1046379), (53, 769977), (117, 348793), (159, 256659), (477, 85553), (689, 59229), (2067, 19743), (6201, 6581)]