2745225

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{83}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 5937120

約数和(自身を除く): 3191895

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 83, 105, 135, 147, 175, 189, 225, 245, 249, 315, 415, 441, 525, 581, 675, 735, 747, 945, 1225, 1245, 1323, 1575, 1743, 2075, 2205, 2241, 2905, 3675, 3735, 4067, 4725, 5229, 6225, 6615, 8715, 11025, 11205, 12201, 14525, 15687, 18675, 20335, 26145, 33075, 36603, 43575, 56025, 61005, 78435, 101675, 109809, 130725, 183015, 305025, 392175, 549045, 915075, 2745225]

約数ペア:

[(1, 2745225), (3, 915075), (5, 549045), (7, 392175), (9, 305025), (15, 183015), (21, 130725), (25, 109809), (27, 101675), (35, 78435), (45, 61005), (49, 56025), (63, 43575), (75, 36603), (83, 33075), (105, 26145), (135, 20335), (147, 18675), (175, 15687), (189, 14525), (225, 12201), (245, 11205), (249, 11025), (315, 8715), (415, 6615), (441, 6225), (525, 5229), (581, 4725), (675, 4067), (735, 3735), (747, 3675), (945, 2905), (1225, 2241), (1245, 2205), (1323, 2075), (1575, 1743)]