64473165

素因数分解:

$3^4\times 5^1\times {\mathrm{159193}}^1$

素因数の和:159210

約数の個数: 20

約数和(自身を含む): 115574844

約数和(自身を除く): 51101679

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 159193, 477579, 795965, 1432737, 2387895, 4298211, 7163685, 12894633, 21491055, 64473165]

約数ペア:

[(1, 64473165), (3, 21491055), (5, 12894633), (9, 7163685), (15, 4298211), (27, 2387895), (45, 1432737), (81, 795965), (135, 477579), (405, 159193)]