28304115

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 53357472

約数和(自身を除く): 25053357

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 97, 105, 147, 245, 291, 397, 485, 679, 735, 1191, 1455, 1985, 2037, 2779, 3395, 4753, 5955, 8337, 10185, 13895, 14259, 19453, 23765, 38509, 41685, 58359, 71295, 97265, 115527, 192545, 269563, 291795, 577635, 808689, 1347815, 1886941, 4043445, 5660823, 9434705, 28304115]

約数ペア:

[(1, 28304115), (3, 9434705), (5, 5660823), (7, 4043445), (15, 1886941), (21, 1347815), (35, 808689), (49, 577635), (97, 291795), (105, 269563), (147, 192545), (245, 115527), (291, 97265), (397, 71295), (485, 58359), (679, 41685), (735, 38509), (1191, 23765), (1455, 19453), (1985, 14259), (2037, 13895), (2779, 10185), (3395, 8337), (4753, 5955)]