12221685

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{479}}^1$

素因数の和:509

約数の個数: 56

約数和(自身を含む): 25182720

約数和(自身を除く): 12961035

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 479, 567, 729, 945, 1215, 1437, 1701, 2395, 2835, 3353, 3645, 4311, 5103, 7185, 8505, 10059, 12933, 16765, 21555, 25515, 30177, 38799, 50295, 64665, 90531, 116397, 150885, 193995, 271593, 349191, 452655, 581985, 814779, 1357965, 1745955, 2444337, 4073895, 12221685]

約数ペア:

[(1, 12221685), (3, 4073895), (5, 2444337), (7, 1745955), (9, 1357965), (15, 814779), (21, 581985), (27, 452655), (35, 349191), (45, 271593), (63, 193995), (81, 150885), (105, 116397), (135, 90531), (189, 64665), (243, 50295), (315, 38799), (405, 30177), (479, 25515), (567, 21555), (729, 16765), (945, 12933), (1215, 10059), (1437, 8505), (1701, 7185), (2395, 5103), (2835, 4311), (3353, 3645)]