245304927

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{13567}}^1$

素因数の和:13628

約数の個数: 36

約数和(自身を含む): 422263296

約数和(自身を除く): 176958369

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027, 13567, 18081, 40701, 94969, 122103, 284907, 556247, 664783, 854721, 1668741, 1994349, 3893729, 5006223, 5983047, 11681187, 27256103, 35043561, 81768309, 245304927]

約数ペア:

[(1, 245304927), (3, 81768309), (7, 35043561), (9, 27256103), (21, 11681187), (41, 5983047), (49, 5006223), (63, 3893729), (123, 1994349), (147, 1668741), (287, 854721), (369, 664783), (441, 556247), (861, 284907), (2009, 122103), (2583, 94969), (6027, 40701), (13567, 18081)]