120150405

素因数分解:

$3^3\times 5^1\times {\mathrm{890003}}^1$

素因数の和:890017

約数の個数: 16

約数和(自身を含む): 213600960

約数和(自身を除く): 93450555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 890003, 2670009, 4450015, 8010027, 13350045, 24030081, 40050135, 120150405]

約数ペア:

[(1, 120150405), (3, 40050135), (5, 24030081), (9, 13350045), (15, 8010027), (27, 4450015), (45, 2670009), (135, 890003)]