218355315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20707}}^1$

素因数の和:20771

約数の個数: 32

約数和(自身を含む): 377713920

約数和(自身を除く): 159358605

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 3515, 10545, 20707, 62121, 103535, 310605, 393433, 766159, 1180299, 1967165, 2298477, 3830795, 5901495, 11492385, 14557021, 43671063, 72785105, 218355315]

約数ペア:

[(1, 218355315), (3, 72785105), (5, 43671063), (15, 14557021), (19, 11492385), (37, 5901495), (57, 3830795), (95, 2298477), (111, 1967165), (185, 1180299), (285, 766159), (555, 393433), (703, 310605), (2109, 103535), (3515, 62121), (10545, 20707)]