7281381

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 10024704

約数和(自身を除く): 2743323

約数列:

[1, 3, 47, 113, 141, 339, 457, 1371, 5311, 15933, 21479, 51641, 64437, 154923, 2427127, 7281381]

約数ペア:

[(1, 7281381), (3, 2427127), (47, 154923), (113, 64437), (141, 51641), (339, 21479), (457, 15933), (1371, 5311)]