3947265

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{4177}}^1$

素因数の和:4198

約数の個数: 32

約数和(自身を含む): 8021760

約数和(自身を除く): 4074495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 4177, 12531, 20885, 29239, 37593, 62655, 87717, 112779, 146195, 187965, 263151, 438585, 563895, 789453, 1315755, 3947265]

約数ペア:

[(1, 3947265), (3, 1315755), (5, 789453), (7, 563895), (9, 438585), (15, 263151), (21, 187965), (27, 146195), (35, 112779), (45, 87717), (63, 62655), (105, 37593), (135, 29239), (189, 20885), (315, 12531), (945, 4177)]