42205215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16649}}^1$

素因数の和:16683

約数の個数: 24

約数和(自身を含む): 73126800

約数和(自身を除く): 30921585

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 16649, 49947, 83245, 216437, 249735, 649311, 1082185, 2813681, 3246555, 8441043, 14068405, 42205215]

約数ペア:

[(1, 42205215), (3, 14068405), (5, 8441043), (13, 3246555), (15, 2813681), (39, 1082185), (65, 649311), (169, 249735), (195, 216437), (507, 83245), (845, 49947), (2535, 16649)]