420565545

素因数分解:

$3^2\times 5^1\times {\mathrm{9345901}}^1$

素因数の和:9345912

約数の個数: 12

約数和(自身を含む): 728980356

約数和(自身を除く): 308414811

約数列:

[1, 3, 5, 9, 15, 45, 9345901, 28037703, 46729505, 84113109, 140188515, 420565545]

約数ペア:

[(1, 420565545), (3, 140188515), (5, 84113109), (9, 46729505), (15, 28037703), (45, 9345901)]