81428025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3607}}^1$

素因数の和:3670

約数の個数: 48

約数和(自身を含む): 157481984

約数和(自身を除く): 76053959

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 1075, 1505, 3225, 3607, 4515, 7525, 10821, 18035, 22575, 25249, 54105, 75747, 90175, 126245, 155101, 270525, 378735, 465303, 631225, 775505, 1085707, 1893675, 2326515, 3257121, 3877525, 5428535, 11632575, 16285605, 27142675, 81428025]

約数ペア:

[(1, 81428025), (3, 27142675), (5, 16285605), (7, 11632575), (15, 5428535), (21, 3877525), (25, 3257121), (35, 2326515), (43, 1893675), (75, 1085707), (105, 775505), (129, 631225), (175, 465303), (215, 378735), (301, 270525), (525, 155101), (645, 126245), (903, 90175), (1075, 75747), (1505, 54105), (3225, 25249), (3607, 22575), (4515, 18035), (7525, 10821)]