204505005

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257239}}^1$

素因数の和:257300

約数の個数: 16

約数和(自身を含む): 333383040

約数和(自身を除く): 128878035

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 257239, 771717, 1286195, 3858585, 13633667, 40901001, 68168335, 204505005]

約数ペア:

[(1, 204505005), (3, 68168335), (5, 40901001), (15, 13633667), (53, 3858585), (159, 1286195), (265, 771717), (795, 257239)]