18027261

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5399}}^1$

素因数の和:5465

約数の個数: 24

約数和(自身を含む): 30326400

約数和(自身を除く): 12299139

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5399, 16197, 37793, 48591, 113379, 286147, 340137, 858441, 2003029, 2575323, 6009087, 18027261]

約数ペア:

[(1, 18027261), (3, 6009087), (7, 2575323), (9, 2003029), (21, 858441), (53, 340137), (63, 286147), (159, 113379), (371, 48591), (477, 37793), (1113, 16197), (3339, 5399)]