19824525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 41705664

約数和(自身を除く): 21881139

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 41, 45, 63, 75, 105, 123, 175, 205, 225, 287, 307, 315, 369, 525, 615, 861, 921, 1025, 1435, 1535, 1575, 1845, 2149, 2583, 2763, 3075, 4305, 4605, 6447, 7175, 7675, 9225, 10745, 12587, 12915, 13815, 19341, 21525, 23025, 32235, 37761, 53725, 62935, 64575, 69075, 88109, 96705, 113283, 161175, 188805, 264327, 314675, 440545, 483525, 566415, 792981, 944025, 1321635, 2202725, 2832075, 3964905, 6608175, 19824525]

約数ペア:

[(1, 19824525), (3, 6608175), (5, 3964905), (7, 2832075), (9, 2202725), (15, 1321635), (21, 944025), (25, 792981), (35, 566415), (41, 483525), (45, 440545), (63, 314675), (75, 264327), (105, 188805), (123, 161175), (175, 113283), (205, 96705), (225, 88109), (287, 69075), (307, 64575), (315, 62935), (369, 53725), (525, 37761), (615, 32235), (861, 23025), (921, 21525), (1025, 19341), (1435, 13815), (1535, 12915), (1575, 12587), (1845, 10745), (2149, 9225), (2583, 7675), (2763, 7175), (3075, 6447), (4305, 4605)]