331378905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 673505280

約数和(自身を除く): 342126375

約数列:

[1, 3, 5, 11, 13, 15, 19, 33, 39, 47, 55, 57, 65, 95, 141, 143, 165, 173, 195, 209, 235, 247, 285, 429, 517, 519, 611, 627, 705, 715, 741, 865, 893, 1045, 1235, 1551, 1833, 1903, 2145, 2249, 2585, 2595, 2679, 2717, 3055, 3135, 3287, 3705, 4465, 5709, 6721, 6747, 7755, 8131, 8151, 9165, 9515, 9823, 9861, 11245, 11609, 13395, 13585, 16435, 20163, 24393, 24739, 28545, 29469, 33605, 33735, 34827, 36157, 40655, 40755, 42731, 49115, 49305, 58045, 74217, 89441, 100815, 105703, 108471, 121965, 123695, 127699, 128193, 147345, 154489, 174135, 180785, 213655, 268323, 317109, 371085, 383097, 447205, 463467, 470041, 528515, 542355, 638495, 640965, 772445, 1162733, 1341615, 1410123, 1585545, 1699379, 1915485, 2008357, 2317335, 2350205, 3488199, 5098137, 5813665, 6025071, 7050615, 8496895, 10041785, 17440995, 22091927, 25490685, 30125355, 66275781, 110459635, 331378905]

約数ペア:

[(1, 331378905), (3, 110459635), (5, 66275781), (11, 30125355), (13, 25490685), (15, 22091927), (19, 17440995), (33, 10041785), (39, 8496895), (47, 7050615), (55, 6025071), (57, 5813665), (65, 5098137), (95, 3488199), (141, 2350205), (143, 2317335), (165, 2008357), (173, 1915485), (195, 1699379), (209, 1585545), (235, 1410123), (247, 1341615), (285, 1162733), (429, 772445), (517, 640965), (519, 638495), (611, 542355), (627, 528515), (705, 470041), (715, 463467), (741, 447205), (865, 383097), (893, 371085), (1045, 317109), (1235, 268323), (1551, 213655), (1833, 180785), (1903, 174135), (2145, 154489), (2249, 147345), (2585, 128193), (2595, 127699), (2679, 123695), (2717, 121965), (3055, 108471), (3135, 105703), (3287, 100815), (3705, 89441), (4465, 74217), (5709, 58045), (6721, 49305), (6747, 49115), (7755, 42731), (8131, 40755), (8151, 40655), (9165, 36157), (9515, 34827), (9823, 33735), (9861, 33605), (11245, 29469), (11609, 28545), (13395, 24739), (13585, 24393), (16435, 20163)]