26561115

素因数分解:

$3^7\times 5^1\times 7^1\times {\mathrm{347}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 54789120

約数和(自身を除く): 28228005

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 347, 405, 567, 729, 945, 1041, 1215, 1701, 1735, 2187, 2429, 2835, 3123, 3645, 5103, 5205, 7287, 8505, 9369, 10935, 12145, 15309, 15615, 21861, 25515, 28107, 36435, 46845, 65583, 76545, 84321, 109305, 140535, 196749, 252963, 327915, 421605, 590247, 758889, 983745, 1264815, 1770741, 2951235, 3794445, 5312223, 8853705, 26561115]

約数ペア:

[(1, 26561115), (3, 8853705), (5, 5312223), (7, 3794445), (9, 2951235), (15, 1770741), (21, 1264815), (27, 983745), (35, 758889), (45, 590247), (63, 421605), (81, 327915), (105, 252963), (135, 196749), (189, 140535), (243, 109305), (315, 84321), (347, 76545), (405, 65583), (567, 46845), (729, 36435), (945, 28107), (1041, 25515), (1215, 21861), (1701, 15615), (1735, 15309), (2187, 12145), (2429, 10935), (2835, 9369), (3123, 8505), (3645, 7287), (5103, 5205)]