205332561

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{105137}}^1$

素因数の和:105181

約数の個数: 24

約数和(自身を含む): 349899264

約数和(自身を除く): 144566703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 105137, 315411, 735959, 946233, 2207877, 3259247, 6623631, 9777741, 22814729, 29333223, 68444187, 205332561]

約数ペア:

[(1, 205332561), (3, 68444187), (7, 29333223), (9, 22814729), (21, 9777741), (31, 6623631), (63, 3259247), (93, 2207877), (217, 946233), (279, 735959), (651, 315411), (1953, 105137)]