16403877

素因数分解:

$3^4\times 7^2\times {\mathrm{4133}}^1$

素因数の和:4159

約数の個数: 30

約数和(自身を含む): 28512198

約数和(自身を除く): 12108321

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4133, 12399, 28931, 37197, 86793, 111591, 202517, 260379, 334773, 607551, 781137, 1822653, 2343411, 5467959, 16403877]

約数ペア:

[(1, 16403877), (3, 5467959), (7, 2343411), (9, 1822653), (21, 781137), (27, 607551), (49, 334773), (63, 260379), (81, 202517), (147, 111591), (189, 86793), (441, 37197), (567, 28931), (1323, 12399), (3969, 4133)]