64876245

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1447}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 122813568

約数和(自身を除く): 57937323

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 427, 735, 915, 1281, 1447, 2135, 2989, 4341, 6405, 7235, 8967, 10129, 14945, 21705, 30387, 44835, 50645, 70903, 88267, 151935, 212709, 264801, 354515, 441335, 617869, 1063545, 1324005, 1853607, 3089345, 4325083, 9268035, 12975249, 21625415, 64876245]

約数ペア:

[(1, 64876245), (3, 21625415), (5, 12975249), (7, 9268035), (15, 4325083), (21, 3089345), (35, 1853607), (49, 1324005), (61, 1063545), (105, 617869), (147, 441335), (183, 354515), (245, 264801), (305, 212709), (427, 151935), (735, 88267), (915, 70903), (1281, 50645), (1447, 44835), (2135, 30387), (2989, 21705), (4341, 14945), (6405, 10129), (7235, 8967)]