204225525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1$

素因数の和:1171

約数の個数: 72

約数和(自身を含む): 421750784

約数和(自身を除く): 217525259

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 127, 175, 225, 315, 381, 525, 635, 889, 1021, 1143, 1575, 1905, 2667, 3063, 3175, 4445, 5105, 5715, 7147, 8001, 9189, 9525, 13335, 15315, 21441, 22225, 25525, 28575, 35735, 40005, 45945, 64323, 66675, 76575, 107205, 129667, 178675, 200025, 229725, 321615, 389001, 536025, 648335, 907669, 1167003, 1608075, 1945005, 2723007, 3241675, 4538345, 5835015, 8169021, 9725025, 13615035, 22691725, 29175075, 40845105, 68075175, 204225525]

約数ペア:

[(1, 204225525), (3, 68075175), (5, 40845105), (7, 29175075), (9, 22691725), (15, 13615035), (21, 9725025), (25, 8169021), (35, 5835015), (45, 4538345), (63, 3241675), (75, 2723007), (105, 1945005), (127, 1608075), (175, 1167003), (225, 907669), (315, 648335), (381, 536025), (525, 389001), (635, 321615), (889, 229725), (1021, 200025), (1143, 178675), (1575, 129667), (1905, 107205), (2667, 76575), (3063, 66675), (3175, 64323), (4445, 45945), (5105, 40005), (5715, 35735), (7147, 28575), (8001, 25525), (9189, 22225), (9525, 21441), (13335, 15315)]