13123215

素因数分解:

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

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 26976768

約数和(自身を除く): 13853553

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1543, 1701, 2835, 4629, 7715, 8505, 10801, 13887, 23145, 32403, 41661, 54005, 69435, 97209, 124983, 162015, 208305, 291627, 374949, 486045, 624915, 874881, 1458135, 1874745, 2624643, 4374405, 13123215]

約数ペア:

[(1, 13123215), (3, 4374405), (5, 2624643), (7, 1874745), (9, 1458135), (15, 874881), (21, 624915), (27, 486045), (35, 374949), (45, 291627), (63, 208305), (81, 162015), (105, 124983), (135, 97209), (189, 69435), (243, 54005), (315, 41661), (405, 32403), (567, 23145), (945, 13887), (1215, 10801), (1543, 8505), (1701, 7715), (2835, 4629)]