23940567

素因数分解:

$3^2\times 7^2\times {\mathrm{54287}}^1$

素因数の和:54307

約数の個数: 18

約数和(自身を含む): 40227408

約数和(自身を除く): 16286841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 54287, 162861, 380009, 488583, 1140027, 2660063, 3420081, 7980189, 23940567]

約数ペア:

[(1, 23940567), (3, 7980189), (7, 3420081), (9, 2660063), (21, 1140027), (49, 488583), (63, 380009), (147, 162861), (441, 54287)]