389898243

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 694465200

約数和(自身を除く): 304566957

約数列:

[1, 3, 7, 9, 21, 29, 43, 49, 63, 87, 129, 147, 203, 261, 301, 387, 441, 609, 709, 903, 1247, 1421, 1827, 2107, 2127, 2709, 3741, 4263, 4963, 6321, 6381, 8729, 11223, 12789, 14889, 18963, 20561, 26187, 30487, 34741, 44667, 61103, 61683, 78561, 91461, 104223, 143927, 183309, 185049, 213409, 274383, 312669, 431781, 549927, 640227, 884123, 1007489, 1295343, 1493863, 1920681, 2652369, 3022467, 4481589, 6188861, 7957107, 9067401, 13444767, 18566583, 43322027, 55699749, 129966081, 389898243]

約数ペア:

[(1, 389898243), (3, 129966081), (7, 55699749), (9, 43322027), (21, 18566583), (29, 13444767), (43, 9067401), (49, 7957107), (63, 6188861), (87, 4481589), (129, 3022467), (147, 2652369), (203, 1920681), (261, 1493863), (301, 1295343), (387, 1007489), (441, 884123), (609, 640227), (709, 549927), (903, 431781), (1247, 312669), (1421, 274383), (1827, 213409), (2107, 185049), (2127, 183309), (2709, 143927), (3741, 104223), (4263, 91461), (4963, 78561), (6321, 61683), (6381, 61103), (8729, 44667), (11223, 34741), (12789, 30487), (14889, 26187), (18963, 20561)]