17692221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 8158659

約数列:

[1, 3, 23, 43, 67, 69, 89, 129, 201, 267, 989, 1541, 2047, 2881, 2967, 3827, 4623, 5963, 6141, 8643, 11481, 17889, 66263, 88021, 137149, 198789, 256409, 264063, 411447, 769227, 5897407, 17692221]

約数ペア:

[(1, 17692221), (3, 5897407), (23, 769227), (43, 411447), (67, 264063), (69, 256409), (89, 198789), (129, 137149), (201, 88021), (267, 66263), (989, 17889), (1541, 11481), (2047, 8643), (2881, 6141), (2967, 5963), (3827, 4623)]