81616479

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 127196160

約数和(自身を除く): 45579681

約数列:

[1, 3, 7, 21, 97, 103, 291, 309, 389, 679, 721, 1167, 2037, 2163, 2723, 8169, 9991, 29973, 37733, 40067, 69937, 113199, 120201, 209811, 264131, 280469, 792393, 841407, 3886499, 11659497, 27205493, 81616479]

約数ペア:

[(1, 81616479), (3, 27205493), (7, 11659497), (21, 3886499), (97, 841407), (103, 792393), (291, 280469), (309, 264131), (389, 209811), (679, 120201), (721, 113199), (1167, 69937), (2037, 40067), (2163, 37733), (2723, 29973), (8169, 9991)]