129975321

素因数分解:

$3^1\times 7^1\times {\mathrm{1973}}^1\times {\mathrm{3137}}^1$

素因数の和:5120

約数の個数: 16

約数和(自身を含む): 198221184

約数和(自身を除く): 68245863

約数列:

[1, 3, 7, 21, 1973, 3137, 5919, 9411, 13811, 21959, 41433, 65877, 6189301, 18567903, 43325107, 129975321]

約数ペア:

[(1, 129975321), (3, 43325107), (7, 18567903), (21, 6189301), (1973, 65877), (3137, 41433), (5919, 21959), (9411, 13811)]