205545

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 335232

約数和(自身を除く): 129687

約数列:

[1, 3, 5, 15, 71, 193, 213, 355, 579, 965, 1065, 2895, 13703, 41109, 68515, 205545]

約数ペア:

[(1, 205545), (3, 68515), (5, 41109), (15, 13703), (71, 2895), (193, 1065), (213, 965), (355, 579)]