12867645

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 24998400

約数和(自身を除く): 12130755

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 61, 105, 123, 147, 183, 205, 245, 287, 305, 343, 427, 615, 735, 861, 915, 1029, 1281, 1435, 1715, 2009, 2135, 2501, 2989, 4305, 5145, 6027, 6405, 7503, 8967, 10045, 12505, 14063, 14945, 17507, 20923, 30135, 37515, 42189, 44835, 52521, 62769, 70315, 87535, 104615, 122549, 210945, 262605, 313845, 367647, 612745, 857843, 1838235, 2573529, 4289215, 12867645]

約数ペア:

[(1, 12867645), (3, 4289215), (5, 2573529), (7, 1838235), (15, 857843), (21, 612745), (35, 367647), (41, 313845), (49, 262605), (61, 210945), (105, 122549), (123, 104615), (147, 87535), (183, 70315), (205, 62769), (245, 52521), (287, 44835), (305, 42189), (343, 37515), (427, 30135), (615, 20923), (735, 17507), (861, 14945), (915, 14063), (1029, 12505), (1281, 10045), (1435, 8967), (1715, 7503), (2009, 6405), (2135, 6027), (2501, 5145), (2989, 4305)]