9142371

素因数分解:

$3^2\times 7^2\times {\mathrm{20731}}^1$

素因数の和:20751

約数の個数: 18

約数和(自身を含む): 15362412

約数和(自身を除く): 6220041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 20731, 62193, 145117, 186579, 435351, 1015819, 1306053, 3047457, 9142371]

約数ペア:

[(1, 9142371), (3, 3047457), (7, 1306053), (9, 1015819), (21, 435351), (49, 186579), (63, 145117), (147, 62193), (441, 20731)]