3318525

素因数分解:

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

素因数の和:80

約数の個数: 72

約数和(自身を含む): 7092800

約数和(自身を除く): 3774275

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 49, 63, 75, 105, 129, 147, 175, 215, 225, 245, 301, 315, 343, 387, 441, 525, 645, 735, 903, 1029, 1075, 1225, 1505, 1575, 1715, 1935, 2107, 2205, 2709, 3087, 3225, 3675, 4515, 5145, 6321, 7525, 8575, 9675, 10535, 11025, 13545, 14749, 15435, 18963, 22575, 25725, 31605, 44247, 52675, 67725, 73745, 77175, 94815, 132741, 158025, 221235, 368725, 474075, 663705, 1106175, 3318525]

約数ペア:

[(1, 3318525), (3, 1106175), (5, 663705), (7, 474075), (9, 368725), (15, 221235), (21, 158025), (25, 132741), (35, 94815), (43, 77175), (45, 73745), (49, 67725), (63, 52675), (75, 44247), (105, 31605), (129, 25725), (147, 22575), (175, 18963), (215, 15435), (225, 14749), (245, 13545), (301, 11025), (315, 10535), (343, 9675), (387, 8575), (441, 7525), (525, 6321), (645, 5145), (735, 4515), (903, 3675), (1029, 3225), (1075, 3087), (1225, 2709), (1505, 2205), (1575, 2107), (1715, 1935)]