83355775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 105850368

約数和(自身を除く): 22494593

約数列:

[1, 5, 25, 71, 151, 311, 355, 755, 1555, 1775, 3775, 7775, 10721, 22081, 46961, 53605, 110405, 234805, 268025, 552025, 1174025, 3334231, 16671155, 83355775]

約数ペア:

[(1, 83355775), (5, 16671155), (25, 3334231), (71, 1174025), (151, 552025), (311, 268025), (355, 234805), (755, 110405), (1555, 53605), (1775, 46961), (3775, 22081), (7775, 10721)]