189817551

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11909}}^1$

素因数の和:11956

約数の個数: 48

約数和(自身を含む): 356728320

約数和(自身を除く): 166910769

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1449, 1771, 2277, 5313, 11909, 15939, 35727, 83363, 107181, 130999, 250089, 273907, 392997, 750267, 821721, 916993, 1178991, 1917349, 2465163, 2750979, 3012977, 5752047, 8252937, 9038931, 17256141, 21090839, 27116793, 63272517, 189817551]

約数ペア:

[(1, 189817551), (3, 63272517), (7, 27116793), (9, 21090839), (11, 17256141), (21, 9038931), (23, 8252937), (33, 5752047), (63, 3012977), (69, 2750979), (77, 2465163), (99, 1917349), (161, 1178991), (207, 916993), (231, 821721), (253, 750267), (483, 392997), (693, 273907), (759, 250089), (1449, 130999), (1771, 107181), (2277, 83363), (5313, 35727), (11909, 15939)]