2887785

素因数分解:

$3^3\times 5^1\times {\mathrm{21391}}^1$

素因数の和:21405

約数の個数: 16

約数和(自身を含む): 5134080

約数和(自身を除く): 2246295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 21391, 64173, 106955, 192519, 320865, 577557, 962595, 2887785]

約数ペア:

[(1, 2887785), (3, 962595), (5, 577557), (9, 320865), (15, 192519), (27, 106955), (45, 64173), (135, 21391)]