204390417

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{11491}}^1$

素因数の和:11530

約数の個数: 36

約数和(自身を含む): 348483408

約数和(自身を除く): 144092991

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 363, 539, 847, 1617, 2541, 5929, 11491, 17787, 34473, 80437, 126401, 241311, 379203, 563059, 884807, 1390411, 1689177, 2654421, 4171233, 6193649, 9732877, 18580947, 29198631, 68130139, 204390417]

約数ペア:

[(1, 204390417), (3, 68130139), (7, 29198631), (11, 18580947), (21, 9732877), (33, 6193649), (49, 4171233), (77, 2654421), (121, 1689177), (147, 1390411), (231, 884807), (363, 563059), (539, 379203), (847, 241311), (1617, 126401), (2541, 80437), (5929, 34473), (11491, 17787)]