257110875

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{10883}}^1$

素因数の和:10914

約数の個数: 64

約数和(自身を含む): 543329280

約数和(自身を除く): 286218405

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 175, 189, 225, 315, 375, 525, 675, 875, 945, 1125, 1575, 2625, 3375, 4725, 7875, 10883, 23625, 32649, 54415, 76181, 97947, 163245, 228543, 272075, 293841, 380905, 489735, 685629, 816225, 1142715, 1360375, 1469205, 1904525, 2056887, 2448675, 3428145, 4081125, 5713575, 7346025, 9522625, 10284435, 12243375, 17140725, 28567875, 36730125, 51422175, 85703625, 257110875]

約数ペア:

[(1, 257110875), (3, 85703625), (5, 51422175), (7, 36730125), (9, 28567875), (15, 17140725), (21, 12243375), (25, 10284435), (27, 9522625), (35, 7346025), (45, 5713575), (63, 4081125), (75, 3428145), (105, 2448675), (125, 2056887), (135, 1904525), (175, 1469205), (189, 1360375), (225, 1142715), (315, 816225), (375, 685629), (525, 489735), (675, 380905), (875, 293841), (945, 272075), (1125, 228543), (1575, 163245), (2625, 97947), (3375, 76181), (4725, 54415), (7875, 32649), (10883, 23625)]