28319415

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26591}}^1$

素因数の和:26670

約数の個数: 16

約数和(自身を含む): 45950976

約数和(自身を除く): 17631561

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26591, 79773, 132955, 398865, 1887961, 5663883, 9439805, 28319415]

約数ペア:

[(1, 28319415), (3, 9439805), (5, 5663883), (15, 1887961), (71, 398865), (213, 132955), (355, 79773), (1065, 26591)]