166887987

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{57173}}^1$

素因数の和:57322

約数の個数: 16

約数和(自身を含む): 256139520

約数和(自身を除く): 89251533

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 57173, 171519, 400211, 1200633, 7947047, 23841141, 55629329, 166887987]

約数ペア:

[(1, 166887987), (3, 55629329), (7, 23841141), (21, 7947047), (139, 1200633), (417, 400211), (973, 171519), (2919, 57173)]