6380415

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 11220768

約数和(自身を除く): 4840353

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 1997, 3195, 5991, 9985, 17973, 29955, 89865, 141787, 425361, 708935, 1276083, 2126805, 6380415]

約数ペア:

[(1, 6380415), (3, 2126805), (5, 1276083), (9, 708935), (15, 425361), (45, 141787), (71, 89865), (213, 29955), (355, 17973), (639, 9985), (1065, 5991), (1997, 3195)]