7243263

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:636

約数の個数: 20

約数和(自身を含む): 10895808

約数和(自身を除く): 3652545

約数列:

[1, 3, 9, 27, 81, 223, 401, 669, 1203, 2007, 3609, 6021, 10827, 18063, 32481, 89423, 268269, 804807, 2414421, 7243263]

約数ペア:

[(1, 7243263), (3, 2414421), (9, 804807), (27, 268269), (81, 89423), (223, 32481), (401, 18063), (669, 10827), (1203, 6021), (2007, 3609)]