2028753405

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1097}}^1$

素因数の和:1240

約数の個数: 128

約数和(自身を含む): 4384972800

約数和(自身を除く): 2356219395

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 103, 105, 133, 135, 171, 189, 285, 309, 315, 399, 513, 515, 665, 721, 855, 927, 945, 1097, 1197, 1545, 1957, 1995, 2163, 2565, 2781, 3291, 3591, 3605, 4635, 5485, 5871, 5985, 6489, 7679, 9785, 9873, 10815, 13699, 13905, 16455, 17613, 17955, 19467, 20843, 23037, 29355, 29619, 32445, 38395, 41097, 49365, 52839, 62529, 68495, 69111, 88065, 97335, 104215, 112991, 115185, 123291, 145901, 148095, 187587, 205485, 207333, 264195, 312645, 338973, 345555, 369873, 437703, 562761, 564955, 616455, 729505, 790937, 937935, 1016919, 1036665, 1313109, 1694865, 1849365, 2146829, 2188515, 2372811, 2813805, 3050757, 3939327, 3954685, 5084595, 6440487, 6565545, 7118433, 10734145, 11864055, 15027803, 15253785, 19321461, 19696635, 21355299, 32202435, 35592165, 45083409, 57964383, 75139015, 96607305, 106776495, 135250227, 225417045, 289821915, 405750681, 676251135, 2028753405]

約数ペア:

[(1, 2028753405), (3, 676251135), (5, 405750681), (7, 289821915), (9, 225417045), (15, 135250227), (19, 106776495), (21, 96607305), (27, 75139015), (35, 57964383), (45, 45083409), (57, 35592165), (63, 32202435), (95, 21355299), (103, 19696635), (105, 19321461), (133, 15253785), (135, 15027803), (171, 11864055), (189, 10734145), (285, 7118433), (309, 6565545), (315, 6440487), (399, 5084595), (513, 3954685), (515, 3939327), (665, 3050757), (721, 2813805), (855, 2372811), (927, 2188515), (945, 2146829), (1097, 1849365), (1197, 1694865), (1545, 1313109), (1957, 1036665), (1995, 1016919), (2163, 937935), (2565, 790937), (2781, 729505), (3291, 616455), (3591, 564955), (3605, 562761), (4635, 437703), (5485, 369873), (5871, 345555), (5985, 338973), (6489, 312645), (7679, 264195), (9785, 207333), (9873, 205485), (10815, 187587), (13699, 148095), (13905, 145901), (16455, 123291), (17613, 115185), (17955, 112991), (19467, 104215), (20843, 97335), (23037, 88065), (29355, 69111), (29619, 68495), (32445, 62529), (38395, 52839), (41097, 49365)]