15540105

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{21143}}^1$

素因数の和:21165

約数の個数: 24

約数和(自身を含む): 28924992

約数和(自身を除く): 13384887

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 21143, 63429, 105715, 148001, 317145, 444003, 740005, 1036007, 2220015, 3108021, 5180035, 15540105]

約数ペア:

[(1, 15540105), (3, 5180035), (5, 3108021), (7, 2220015), (15, 1036007), (21, 740005), (35, 444003), (49, 317145), (105, 148001), (147, 105715), (245, 63429), (735, 21143)]