2770509

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 4399488

約数和(自身を除く): 1628979

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 401, 987, 1203, 2303, 2807, 6909, 8421, 18847, 19649, 56541, 58947, 131929, 395787, 923503, 2770509]

約数ペア:

[(1, 2770509), (3, 923503), (7, 395787), (21, 131929), (47, 58947), (49, 56541), (141, 19649), (147, 18847), (329, 8421), (401, 6909), (987, 2807), (1203, 2303)]