311943285

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 627264000

約数和(自身を除く): 315320715

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 43, 45, 51, 85, 87, 109, 129, 135, 145, 153, 215, 255, 261, 327, 387, 435, 459, 493, 545, 645, 731, 765, 783, 981, 1161, 1247, 1305, 1479, 1635, 1853, 1935, 2193, 2295, 2465, 2943, 3161, 3655, 3741, 3915, 4437, 4687, 4905, 5559, 5805, 6235, 6579, 7395, 9265, 9483, 10965, 11223, 13311, 14061, 14715, 15805, 16677, 18705, 19737, 21199, 22185, 23435, 27795, 28449, 32895, 33669, 42183, 47415, 50031, 53737, 56115, 63597, 66555, 70305, 79679, 83385, 85347, 98685, 105995, 126549, 135923, 142245, 161211, 168345, 190791, 210915, 239037, 250155, 268685, 317985, 398395, 407769, 426735, 483633, 572373, 632745, 679615, 717111, 806055, 953955, 1195185, 1223307, 1450899, 2038845, 2151333, 2310691, 2418165, 2861865, 3585555, 3669921, 6116535, 6932073, 7254495, 10756665, 11553455, 18349605, 20796219, 34660365, 62388657, 103981095, 311943285]

約数ペア:

[(1, 311943285), (3, 103981095), (5, 62388657), (9, 34660365), (15, 20796219), (17, 18349605), (27, 11553455), (29, 10756665), (43, 7254495), (45, 6932073), (51, 6116535), (85, 3669921), (87, 3585555), (109, 2861865), (129, 2418165), (135, 2310691), (145, 2151333), (153, 2038845), (215, 1450899), (255, 1223307), (261, 1195185), (327, 953955), (387, 806055), (435, 717111), (459, 679615), (493, 632745), (545, 572373), (645, 483633), (731, 426735), (765, 407769), (783, 398395), (981, 317985), (1161, 268685), (1247, 250155), (1305, 239037), (1479, 210915), (1635, 190791), (1853, 168345), (1935, 161211), (2193, 142245), (2295, 135923), (2465, 126549), (2943, 105995), (3161, 98685), (3655, 85347), (3741, 83385), (3915, 79679), (4437, 70305), (4687, 66555), (4905, 63597), (5559, 56115), (5805, 53737), (6235, 50031), (6579, 47415), (7395, 42183), (9265, 33669), (9483, 32895), (10965, 28449), (11223, 27795), (13311, 23435), (14061, 22185), (14715, 21199), (15805, 19737), (16677, 18705)]