155393007

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{18181}}^1$

素因数の和:18239

約数の個数: 32

約数和(自身を含む): 265311744

約数和(自身を除く): 109918737

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 8547, 18181, 54543, 127267, 199991, 381801, 599973, 672697, 1399937, 2018091, 4199811, 4708879, 7399667, 14126637, 22199001, 51797669, 155393007]

約数ペア:

[(1, 155393007), (3, 51797669), (7, 22199001), (11, 14126637), (21, 7399667), (33, 4708879), (37, 4199811), (77, 2018091), (111, 1399937), (231, 672697), (259, 599973), (407, 381801), (777, 199991), (1221, 127267), (2849, 54543), (8547, 18181)]