9640239

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 15905280

約数和(自身を除く): 6265041

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 653, 703, 777, 1959, 2109, 4571, 4921, 12407, 13713, 14763, 24161, 37221, 72483, 86849, 169127, 260547, 459059, 507381, 1377177, 3213413, 9640239]

約数ペア:

[(1, 9640239), (3, 3213413), (7, 1377177), (19, 507381), (21, 459059), (37, 260547), (57, 169127), (111, 86849), (133, 72483), (259, 37221), (399, 24161), (653, 14763), (703, 13713), (777, 12407), (1959, 4921), (2109, 4571)]