28064295

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 58058208

約数和(自身を除く): 29993913

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 53, 63, 105, 123, 159, 205, 265, 287, 315, 369, 371, 477, 615, 795, 861, 1113, 1435, 1681, 1845, 1855, 2173, 2385, 2583, 3339, 4305, 5043, 5565, 6519, 8405, 10865, 11767, 12915, 15129, 15211, 16695, 19557, 25215, 32595, 35301, 45633, 58835, 75645, 76055, 89093, 97785, 105903, 136899, 176505, 228165, 267279, 445465, 529515, 623651, 684495, 801837, 1336395, 1870953, 3118255, 4009185, 5612859, 9354765, 28064295]

約数ペア:

[(1, 28064295), (3, 9354765), (5, 5612859), (7, 4009185), (9, 3118255), (15, 1870953), (21, 1336395), (35, 801837), (41, 684495), (45, 623651), (53, 529515), (63, 445465), (105, 267279), (123, 228165), (159, 176505), (205, 136899), (265, 105903), (287, 97785), (315, 89093), (369, 76055), (371, 75645), (477, 58835), (615, 45633), (795, 35301), (861, 32595), (1113, 25215), (1435, 19557), (1681, 16695), (1845, 15211), (1855, 15129), (2173, 12915), (2385, 11767), (2583, 10865), (3339, 8405), (4305, 6519), (5043, 5565)]