1330384581

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{231331}}^1$

素因数の和:231414

約数の個数: 20

約数和(自身を含む): 2015364384

約数和(自身を除く): 684979803

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 231331, 693993, 2081979, 6245937, 16424501, 18737811, 49273503, 147820509, 443461527, 1330384581]

約数ペア:

[(1, 1330384581), (3, 443461527), (9, 147820509), (27, 49273503), (71, 18737811), (81, 16424501), (213, 6245937), (639, 2081979), (1917, 693993), (5751, 231331)]