82281339

素因数分解:

$3^4\times 7^2\times {\mathrm{20731}}^1$

素因数の和:20757

約数の個数: 30

約数和(自身を含む): 142988604

約数和(自身を除く): 60707265

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 20731, 62193, 145117, 186579, 435351, 559737, 1015819, 1306053, 1679211, 3047457, 3918159, 9142371, 11754477, 27427113, 82281339]

約数ペア:

[(1, 82281339), (3, 27427113), (7, 11754477), (9, 9142371), (21, 3918159), (27, 3047457), (49, 1679211), (63, 1306053), (81, 1015819), (147, 559737), (189, 435351), (441, 186579), (567, 145117), (1323, 62193), (3969, 20731)]