81493545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1543}}^1$

素因数の和:2061

約数の個数: 32

約数和(自身を含む): 149409792

約数和(自身を除く): 67916247

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 503, 1509, 1543, 2515, 3521, 4629, 7545, 7715, 10563, 10801, 17605, 23145, 32403, 52815, 54005, 162015, 776129, 2328387, 3880645, 5432903, 11641935, 16298709, 27164515, 81493545]

約数ペア:

[(1, 81493545), (3, 27164515), (5, 16298709), (7, 11641935), (15, 5432903), (21, 3880645), (35, 2328387), (105, 776129), (503, 162015), (1509, 54005), (1543, 52815), (2515, 32403), (3521, 23145), (4629, 17605), (7545, 10801), (7715, 10563)]