13245981

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1019}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 20236800

約数和(自身を除く): 6990819

約数列:

[1, 3, 7, 21, 619, 1019, 1857, 3057, 4333, 7133, 12999, 21399, 630761, 1892283, 4415327, 13245981]

約数ペア:

[(1, 13245981), (3, 4415327), (7, 1892283), (21, 630761), (619, 21399), (1019, 12999), (1857, 7133), (3057, 4333)]