199980705

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{33247}}^1$

素因数の和:33656

約数の個数: 16

約数和(自身を含む): 320776704

約数和(自身を除く): 120795999

約数列:

[1, 3, 5, 15, 401, 1203, 2005, 6015, 33247, 99741, 166235, 498705, 13332047, 39996141, 66660235, 199980705]

約数ペア:

[(1, 199980705), (3, 66660235), (5, 39996141), (15, 13332047), (401, 498705), (1203, 166235), (2005, 99741), (6015, 33247)]