13915239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 21369600

約数和(自身を除く): 7454361

約数列:

[1, 3, 13, 19, 39, 57, 89, 211, 247, 267, 633, 741, 1157, 1691, 2743, 3471, 4009, 5073, 8229, 12027, 18779, 21983, 52117, 56337, 65949, 156351, 244127, 356801, 732381, 1070403, 4638413, 13915239]

約数ペア:

[(1, 13915239), (3, 4638413), (13, 1070403), (19, 732381), (39, 356801), (57, 244127), (89, 156351), (211, 65949), (247, 56337), (267, 52117), (633, 21983), (741, 18779), (1157, 12027), (1691, 8229), (2743, 5073), (3471, 4009)]