861105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 1612800

約数和(自身を除く): 751695

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 139, 177, 295, 413, 417, 695, 885, 973, 1239, 2065, 2085, 2919, 4865, 6195, 8201, 14595, 24603, 41005, 57407, 123015, 172221, 287035, 861105]

約数ペア:

[(1, 861105), (3, 287035), (5, 172221), (7, 123015), (15, 57407), (21, 41005), (35, 24603), (59, 14595), (105, 8201), (139, 6195), (177, 4865), (295, 2919), (413, 2085), (417, 2065), (695, 1239), (885, 973)]