7156968021

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{509429}}^1$

素因数の和:509665

約数の個数: 24

約数和(自身を含む): 11867681280

約数和(自身を除く): 4710713259

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 14049, 509429, 1528287, 3566003, 4584861, 10698009, 32094027, 113602667, 340808001, 795218669, 1022424003, 2385656007, 7156968021]

約数ペア:

[(1, 7156968021), (3, 2385656007), (7, 1022424003), (9, 795218669), (21, 340808001), (63, 113602667), (223, 32094027), (669, 10698009), (1561, 4584861), (2007, 3566003), (4683, 1528287), (14049, 509429)]