205658079

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 304812288

約数和(自身を除く): 99154209

約数列:

[1, 3, 11, 33, 113, 131, 339, 393, 421, 1243, 1263, 1441, 3729, 4323, 4631, 13893, 14803, 44409, 47573, 55151, 142719, 162833, 165453, 488499, 523303, 606661, 1569909, 1819983, 6232063, 18696189, 68552693, 205658079]

約数ペア:

[(1, 205658079), (3, 68552693), (11, 18696189), (33, 6232063), (113, 1819983), (131, 1569909), (339, 606661), (393, 523303), (421, 488499), (1243, 165453), (1263, 162833), (1441, 142719), (3729, 55151), (4323, 47573), (4631, 44409), (13893, 14803)]