981405

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 1725048

約数和(自身を除く): 743643

約数列:

[1, 3, 5, 9, 15, 45, 113, 193, 339, 565, 579, 965, 1017, 1695, 1737, 2895, 5085, 8685, 21809, 65427, 109045, 196281, 327135, 981405]

約数ペア:

[(1, 981405), (3, 327135), (5, 196281), (9, 109045), (15, 65427), (45, 21809), (113, 8685), (193, 5085), (339, 2895), (565, 1737), (579, 1695), (965, 1017)]