13865421

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 21168000

約数和(自身を除く): 7302579

約数列:

[1, 3, 17, 19, 41, 51, 57, 123, 323, 349, 697, 779, 969, 1047, 2091, 2337, 5933, 6631, 13243, 14309, 17799, 19893, 39729, 42927, 112727, 243253, 271871, 338181, 729759, 815613, 4621807, 13865421]

約数ペア:

[(1, 13865421), (3, 4621807), (17, 815613), (19, 729759), (41, 338181), (51, 271871), (57, 243253), (123, 112727), (323, 42927), (349, 39729), (697, 19893), (779, 17799), (969, 14309), (1047, 13243), (2091, 6631), (2337, 5933)]