18767700063

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{977}}^1\times {\mathrm{1013}}^1$

素因数の和:2053

約数の個数: 72

約数和(自身を含む): 32333125968

約数和(自身を除く): 13565425905

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 977, 1013, 2107, 2709, 2931, 3039, 6321, 6839, 7091, 8793, 9117, 18963, 20517, 21273, 42011, 43559, 47873, 49637, 61551, 63819, 126033, 130677, 143619, 148911, 294077, 304913, 378099, 392031, 430857, 446733, 882231, 914739, 989701, 2058539, 2134391, 2646693, 2744217, 2969103, 6175617, 6403173, 6927907, 8907309, 18526851, 19209519, 20783721, 42557143, 48495349, 62351163, 127671429, 145486047, 297900001, 383014287, 436458141, 893700003, 2085300007, 2681100009, 6255900021, 18767700063]

約数ペア:

[(1, 18767700063), (3, 6255900021), (7, 2681100009), (9, 2085300007), (21, 893700003), (43, 436458141), (49, 383014287), (63, 297900001), (129, 145486047), (147, 127671429), (301, 62351163), (387, 48495349), (441, 42557143), (903, 20783721), (977, 19209519), (1013, 18526851), (2107, 8907309), (2709, 6927907), (2931, 6403173), (3039, 6175617), (6321, 2969103), (6839, 2744217), (7091, 2646693), (8793, 2134391), (9117, 2058539), (18963, 989701), (20517, 914739), (21273, 882231), (42011, 446733), (43559, 430857), (47873, 392031), (49637, 378099), (61551, 304913), (63819, 294077), (126033, 148911), (130677, 143619)]