13855765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 23016960

約数和(自身を除く): 9161195

約数列:

[1, 5, 7, 11, 17, 29, 35, 55, 73, 77, 85, 119, 145, 187, 203, 319, 365, 385, 493, 511, 595, 803, 935, 1015, 1241, 1309, 1595, 2117, 2233, 2465, 2555, 3451, 4015, 5423, 5621, 6205, 6545, 8687, 10585, 11165, 13651, 14819, 17255, 23287, 27115, 28105, 35989, 37961, 43435, 68255, 74095, 95557, 116435, 163009, 179945, 189805, 251923, 395879, 477785, 815045, 1259615, 1979395, 2771153, 13855765]

約数ペア:

[(1, 13855765), (5, 2771153), (7, 1979395), (11, 1259615), (17, 815045), (29, 477785), (35, 395879), (55, 251923), (73, 189805), (77, 179945), (85, 163009), (119, 116435), (145, 95557), (187, 74095), (203, 68255), (319, 43435), (365, 37961), (385, 35989), (493, 28105), (511, 27115), (595, 23287), (803, 17255), (935, 14819), (1015, 13651), (1241, 11165), (1309, 10585), (1595, 8687), (2117, 6545), (2233, 6205), (2465, 5621), (2555, 5423), (3451, 4015)]