189880047

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{9161}}^1$

素因数の和:9228

約数の個数: 36

約数和(自身を含む): 325874016

約数和(自身を除く): 135993969

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 6909, 9161, 20727, 27483, 64127, 82449, 192381, 430567, 448889, 577143, 1291701, 1346667, 3013969, 3875103, 4040001, 9041907, 21097783, 27125721, 63293349, 189880047]

約数ペア:

[(1, 189880047), (3, 63293349), (7, 27125721), (9, 21097783), (21, 9041907), (47, 4040001), (49, 3875103), (63, 3013969), (141, 1346667), (147, 1291701), (329, 577143), (423, 448889), (441, 430567), (987, 192381), (2303, 82449), (2961, 64127), (6909, 27483), (9161, 20727)]