11972205

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 25369344

約数和(自身を除く): 13397139

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 63, 81, 103, 105, 123, 135, 189, 205, 287, 309, 315, 369, 405, 515, 567, 615, 721, 861, 927, 945, 1107, 1435, 1545, 1845, 2163, 2583, 2781, 2835, 3321, 3605, 4223, 4305, 4635, 5535, 6489, 7749, 8343, 10815, 12669, 12915, 13905, 16605, 19467, 21115, 23247, 29561, 32445, 38007, 38745, 41715, 58401, 63345, 88683, 97335, 114021, 116235, 147805, 190035, 266049, 292005, 342063, 443415, 570105, 798147, 1330245, 1710315, 2394441, 3990735, 11972205]

約数ペア:

[(1, 11972205), (3, 3990735), (5, 2394441), (7, 1710315), (9, 1330245), (15, 798147), (21, 570105), (27, 443415), (35, 342063), (41, 292005), (45, 266049), (63, 190035), (81, 147805), (103, 116235), (105, 114021), (123, 97335), (135, 88683), (189, 63345), (205, 58401), (287, 41715), (309, 38745), (315, 38007), (369, 32445), (405, 29561), (515, 23247), (567, 21115), (615, 19467), (721, 16605), (861, 13905), (927, 12915), (945, 12669), (1107, 10815), (1435, 8343), (1545, 7749), (1845, 6489), (2163, 5535), (2583, 4635), (2781, 4305), (2835, 4223), (3321, 3605)]