123921945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{393403}}^1$

素因数の和:393421

約数の個数: 24

約数和(自身を含む): 245484096

約数和(自身を除く): 121562151

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 393403, 1180209, 1967015, 2753821, 3540627, 5901045, 8261463, 13769105, 17703135, 24784389, 41307315, 123921945]

約数ペア:

[(1, 123921945), (3, 41307315), (5, 24784389), (7, 17703135), (9, 13769105), (15, 8261463), (21, 5901045), (35, 3540627), (45, 2753821), (63, 1967015), (105, 1180209), (315, 393403)]