389434635

素因数分解:

$3^4\times 5^1\times {\mathrm{961567}}^1$

素因数の和:961584

約数の個数: 20

約数和(自身を含む): 698098368

約数和(自身を除く): 308663733

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 961567, 2884701, 4807835, 8654103, 14423505, 25962309, 43270515, 77886927, 129811545, 389434635]

約数ペア:

[(1, 389434635), (3, 129811545), (5, 77886927), (9, 43270515), (15, 25962309), (27, 14423505), (45, 8654103), (81, 4807835), (135, 2884701), (405, 961567)]