16578921

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 22708224

約数和(自身を除く): 6129303

約数列:

[1, 3, 47, 141, 307, 383, 921, 1149, 14429, 18001, 43287, 54003, 117581, 352743, 5526307, 16578921]

約数ペア:

[(1, 16578921), (3, 5526307), (47, 352743), (141, 117581), (307, 54003), (383, 43287), (921, 18001), (1149, 14429)]