287889735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 565705728

約数和(自身を除く): 277815993

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 71, 73, 105, 115, 161, 213, 219, 345, 355, 365, 483, 497, 511, 529, 805, 1065, 1095, 1491, 1533, 1587, 1633, 1679, 2415, 2485, 2555, 2645, 3703, 4899, 5037, 5183, 7455, 7665, 7935, 8165, 8395, 11109, 11431, 11753, 15549, 18515, 24495, 25185, 25915, 34293, 35259, 36281, 37559, 38617, 55545, 57155, 58765, 77745, 108843, 112677, 115851, 119209, 171465, 176295, 181405, 187795, 193085, 262913, 270319, 357627, 544215, 563385, 579255, 596045, 788739, 810957, 834463, 1314565, 1351595, 1788135, 2503389, 2741807, 3943695, 4054785, 4172315, 8225421, 12516945, 13709035, 19192649, 41127105, 57577947, 95963245, 287889735]

約数ペア:

[(1, 287889735), (3, 95963245), (5, 57577947), (7, 41127105), (15, 19192649), (21, 13709035), (23, 12516945), (35, 8225421), (69, 4172315), (71, 4054785), (73, 3943695), (105, 2741807), (115, 2503389), (161, 1788135), (213, 1351595), (219, 1314565), (345, 834463), (355, 810957), (365, 788739), (483, 596045), (497, 579255), (511, 563385), (529, 544215), (805, 357627), (1065, 270319), (1095, 262913), (1491, 193085), (1533, 187795), (1587, 181405), (1633, 176295), (1679, 171465), (2415, 119209), (2485, 115851), (2555, 112677), (2645, 108843), (3703, 77745), (4899, 58765), (5037, 57155), (5183, 55545), (7455, 38617), (7665, 37559), (7935, 36281), (8165, 35259), (8395, 34293), (11109, 25915), (11431, 25185), (11753, 24495), (15549, 18515)]