278328963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 412296192

約数和(自身を除く): 133967229

約数列:

[1, 3, 11, 33, 83, 249, 307, 331, 913, 921, 993, 2739, 3377, 3641, 10131, 10923, 25481, 27473, 76443, 82419, 101617, 280291, 302203, 304851, 840873, 906609, 1117787, 3353361, 8434211, 25302633, 92776321, 278328963]

約数ペア:

[(1, 278328963), (3, 92776321), (11, 25302633), (33, 8434211), (83, 3353361), (249, 1117787), (307, 906609), (331, 840873), (913, 304851), (921, 302203), (993, 280291), (2739, 101617), (3377, 82419), (3641, 76443), (10131, 27473), (10923, 25481)]