131378625

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 285143040

約数和(自身を除く): 153764415

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 67, 75, 83, 105, 125, 135, 175, 189, 201, 225, 249, 315, 335, 375, 415, 469, 525, 581, 603, 675, 747, 875, 945, 1005, 1125, 1245, 1407, 1575, 1675, 1743, 1809, 2075, 2241, 2345, 2625, 2905, 3015, 3375, 3735, 4221, 4725, 5025, 5229, 5561, 6225, 7035, 7875, 8375, 8715, 9045, 10375, 11205, 11725, 12663, 14525, 15075, 15687, 16683, 18675, 21105, 23625, 25125, 26145, 27805, 31125, 35175, 38927, 43575, 45225, 50049, 56025, 58625, 63315, 72625, 75375, 78435, 83415, 93375, 105525, 116781, 130725, 139025, 150147, 175875, 194635, 217875, 226125, 250245, 280125, 316575, 350343, 392175, 417075, 527625, 583905, 653625, 695125, 750735, 973175, 1051029, 1251225, 1582875, 1751715, 1960875, 2085375, 2919525, 3753675, 4865875, 5255145, 6256125, 8758575, 14597625, 18768375, 26275725, 43792875, 131378625]

約数ペア:

[(1, 131378625), (3, 43792875), (5, 26275725), (7, 18768375), (9, 14597625), (15, 8758575), (21, 6256125), (25, 5255145), (27, 4865875), (35, 3753675), (45, 2919525), (63, 2085375), (67, 1960875), (75, 1751715), (83, 1582875), (105, 1251225), (125, 1051029), (135, 973175), (175, 750735), (189, 695125), (201, 653625), (225, 583905), (249, 527625), (315, 417075), (335, 392175), (375, 350343), (415, 316575), (469, 280125), (525, 250245), (581, 226125), (603, 217875), (675, 194635), (747, 175875), (875, 150147), (945, 139025), (1005, 130725), (1125, 116781), (1245, 105525), (1407, 93375), (1575, 83415), (1675, 78435), (1743, 75375), (1809, 72625), (2075, 63315), (2241, 58625), (2345, 56025), (2625, 50049), (2905, 45225), (3015, 43575), (3375, 38927), (3735, 35175), (4221, 31125), (4725, 27805), (5025, 26145), (5229, 25125), (5561, 23625), (6225, 21105), (7035, 18675), (7875, 16683), (8375, 15687), (8715, 15075), (9045, 14525), (10375, 12663), (11205, 11725)]