440921481

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 839946240

約数和(自身を除く): 399024759

約数列:

[1, 3, 7, 11, 13, 21, 29, 33, 39, 61, 77, 83, 87, 91, 143, 183, 203, 231, 249, 273, 319, 377, 427, 429, 581, 609, 671, 793, 913, 957, 1001, 1079, 1131, 1281, 1743, 1769, 2013, 2233, 2379, 2407, 2639, 2739, 3003, 3237, 4147, 4697, 5063, 5307, 5551, 6391, 6699, 7221, 7553, 7917, 8723, 11869, 12383, 12441, 14091, 15189, 16653, 16849, 19173, 19459, 22659, 22997, 26169, 26477, 29029, 31291, 35441, 35607, 37149, 50547, 55693, 58377, 61061, 65819, 68991, 79431, 83083, 87087, 93873, 106323, 136213, 146827, 160979, 167079, 183183, 185339, 197457, 219037, 249249, 252967, 344201, 389851, 408639, 440481, 460733, 482937, 556017, 657111, 724009, 758901, 1027789, 1032603, 1169553, 1382199, 1615097, 1770769, 1908751, 2172027, 2409407, 3083367, 4845291, 5068063, 5312307, 5726253, 7228221, 11305679, 13361257, 15204189, 20996261, 33917037, 40083771, 62988783, 146973827, 440921481]

約数ペア:

[(1, 440921481), (3, 146973827), (7, 62988783), (11, 40083771), (13, 33917037), (21, 20996261), (29, 15204189), (33, 13361257), (39, 11305679), (61, 7228221), (77, 5726253), (83, 5312307), (87, 5068063), (91, 4845291), (143, 3083367), (183, 2409407), (203, 2172027), (231, 1908751), (249, 1770769), (273, 1615097), (319, 1382199), (377, 1169553), (427, 1032603), (429, 1027789), (581, 758901), (609, 724009), (671, 657111), (793, 556017), (913, 482937), (957, 460733), (1001, 440481), (1079, 408639), (1131, 389851), (1281, 344201), (1743, 252967), (1769, 249249), (2013, 219037), (2233, 197457), (2379, 185339), (2407, 183183), (2639, 167079), (2739, 160979), (3003, 146827), (3237, 136213), (4147, 106323), (4697, 93873), (5063, 87087), (5307, 83083), (5551, 79431), (6391, 68991), (6699, 65819), (7221, 61061), (7553, 58377), (7917, 55693), (8723, 50547), (11869, 37149), (12383, 35607), (12441, 35441), (14091, 31291), (15189, 29029), (16653, 26477), (16849, 26169), (19173, 22997), (19459, 22659)]