18691425

素因数分解:

$3^3\times 5^2\times {\mathrm{27691}}^1$

素因数の和:27710

約数の個数: 24

約数和(自身を含む): 34338080

約数和(自身を除く): 15646655

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 27691, 83073, 138455, 249219, 415365, 692275, 747657, 1246095, 2076825, 3738285, 6230475, 18691425]

約数ペア:

[(1, 18691425), (3, 6230475), (5, 3738285), (9, 2076825), (15, 1246095), (25, 747657), (27, 692275), (45, 415365), (75, 249219), (135, 138455), (225, 83073), (675, 27691)]