28319715

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1753}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 49252320

約数和(自身を除く): 20932605

約数列:

[1, 3, 5, 9, 15, 45, 359, 1077, 1753, 1795, 3231, 5259, 5385, 8765, 15777, 16155, 26295, 78885, 629327, 1887981, 3146635, 5663943, 9439905, 28319715]

約数ペア:

[(1, 28319715), (3, 9439905), (5, 5663943), (9, 3146635), (15, 1887981), (45, 629327), (359, 78885), (1077, 26295), (1753, 16155), (1795, 15777), (3231, 8765), (5259, 5385)]