15800001

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5657}}^1$

素因数の和:5693

約数の個数: 24

約数和(自身を含む): 25800480

約数和(自身を除く): 10000479

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 5657, 16971, 39599, 107483, 118797, 277193, 322449, 752381, 831579, 2257143, 5266667, 15800001]

約数ペア:

[(1, 15800001), (3, 5266667), (7, 2257143), (19, 831579), (21, 752381), (49, 322449), (57, 277193), (133, 118797), (147, 107483), (399, 39599), (931, 16971), (2793, 5657)]