2811315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1109}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 4875120

約数和(自身を除く): 2063805

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 1109, 2535, 3327, 5545, 14417, 16635, 43251, 72085, 187421, 216255, 562263, 937105, 2811315]

約数ペア:

[(1, 2811315), (3, 937105), (5, 562263), (13, 216255), (15, 187421), (39, 72085), (65, 43251), (169, 16635), (195, 14417), (507, 5545), (845, 3327), (1109, 2535)]