28173285

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{4259}}^1$

素因数の和:4287

約数の個数: 48

約数和(自身を含む): 58276800

約数和(自身を除く): 30103515

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 4259, 6615, 12777, 21295, 29813, 38331, 63885, 89439, 114993, 149065, 191655, 208691, 268317, 447195, 574965, 626073, 804951, 1043455, 1341585, 1878219, 3130365, 4024755, 5634657, 9391095, 28173285]

約数ペア:

[(1, 28173285), (3, 9391095), (5, 5634657), (7, 4024755), (9, 3130365), (15, 1878219), (21, 1341585), (27, 1043455), (35, 804951), (45, 626073), (49, 574965), (63, 447195), (105, 268317), (135, 208691), (147, 191655), (189, 149065), (245, 114993), (315, 89439), (441, 63885), (735, 38331), (945, 29813), (1323, 21295), (2205, 12777), (4259, 6615)]