28812525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{54881}}^1$

素因数の和:54901

約数の個数: 24

約数和(自身を含む): 54442944

約数和(自身を除く): 25630419

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 54881, 164643, 274405, 384167, 823215, 1152501, 1372025, 1920835, 4116075, 5762505, 9604175, 28812525]

約数ペア:

[(1, 28812525), (3, 9604175), (5, 5762505), (7, 4116075), (15, 1920835), (21, 1372025), (25, 1152501), (35, 823215), (75, 384167), (105, 274405), (175, 164643), (525, 54881)]